Best King Size Mattress Cover (2025 Update)

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If you’re looking for a comfortable and affordable way to protect your king-size mattress, a mattress cover is an excellent investment. A good quality mattress cover will help keep your mattress clean and sanitary, preventing dust mites, allergens, and even bed bugs from settling in. With so many options on the market, it can be challenging to know where to start. Here are some factors to consider before making your purchase.

Firstly, consider the material of the mattress cover. Cotton, polyester, and bamboo are all popular options, each with their benefits. Next, make sure you choose a cover that fits your mattress size and depth. Some covers are designed explicitly for pillow-top mattresses, while others are not as deep. Also, you may want to think about whether you want a waterproof cover or not. This feature can be helpful if you have children or pets prone to accidents.

Finally, ask yourself some essential questions to narrow down your options. Do you prefer a soft and cozy cover or a cooler one? Are you looking for something hypoallergenic? Do you want a cover with extra padding or one that is thinner? By answering these questions, you can find the best king-size mattress cover that meets your specific needs.

In conclusion, a mattress cover is an affordable way to protect your investment in a comfortable night’s sleep. Consider the material, size, and waterproofing of the cover and ask yourself some essential questions to find the perfect match for your mattress and your lifestyle.

10 Best King Size Mattress Cover

# Product Image Product Name Product Notes Check Price
1
The product is ideal for protecting your king-sized mattress with a breathable, organic cotton cover that is easy to install.
2
This product is ideal for protecting a king size mattress from spills, stains, and allergens while also keeping it cool and comfortable.
3
This product is ideal for protecting your mattress from spills, stains, and allergens with a cooling and fitted design.
4
This product is ideal for protecting and extending the life of a king size mattress while providing comfort and breathability.
5
The product is ideal for protecting a king size mattress from water damage and stains while also being breathable.
6
This product is ideal for protecting your king size mattress from spills, stains, and allergens while providing a cooler and softer sleep surface.
7
Protecting and preserving mattresses by providing waterproof and hypoallergenic coverage with a premium cotton terry cover.
8
The product is ideal for adding extra comfort to a king-sized mattress and alleviating back pain.
9
This product is ideal for protecting your mattress from water damage and bed bugs with a six-sided, absorbent cover.
10
The product is ideal for protecting and extending the life of a king-sized mattress while adding extra comfort.
The product is ideal for protecting your king-sized mattress with a breathable, organic cotton cover that is easy to install.
This product is ideal for protecting a king size mattress from spills, stains, and allergens while also keeping it cool and comfortable.
This product is ideal for protecting your mattress from spills, stains, and allergens with a cooling and fitted design.
This product is ideal for protecting and extending the life of a king size mattress while providing comfort and breathability.
The product is ideal for protecting a king size mattress from water damage and stains while also being breathable.
This product is ideal for protecting your king size mattress from spills, stains, and allergens while providing a cooler and softer sleep surface.
Protecting and preserving mattresses by providing waterproof and hypoallergenic coverage with a premium cotton terry cover.
The product is ideal for adding extra comfort to a king-sized mattress and alleviating back pain.
This product is ideal for protecting your mattress from water damage and bed bugs with a six-sided, absorbent cover.
The product is ideal for protecting and extending the life of a king-sized mattress while adding extra comfort.

1. Puresleep Organic Cotton Mattress Protector – King Size

Introducing the Certified Organic Cotton King Size Mattress Cover, the perfect bed protector for your entire family's safety. Made with 100% organic cotton, this mattress cover is GOTS (Global Organic Textile Standard) certified, ensuring you a high quality and eco-friendly product.

Experience a good night's sleep like never before with the incredible softness of this mattress protector. The pure cotton material makes it cozy and breathable, keeping you cool and comfortable throughout the night. Say goodbye to night sweats and wake up feeling refreshed every morning.

This King Size Mattress Cover is of premium quality, providing you with hotel quality linen, perfect for the master bedroom. With a 300 thread count sheets and 300 GSM cotton wadding, it offers superior strength and comfort that you can rely on.

The deep pocket King Mattress Cover includes a 78" x 82" mattress cover that fits mattresses up to 17". It's an excellent choice if you're looking for a high-quality mattress pad that is absorbent but not 100% waterproof, as it does not contain any synthetic material.

We are so confident in the quality of our King Mattress Protector that we offer a full 1-Year Guarantee, rather than just a 30-day satisfaction guarantee. If for any reason you are not satisfied with the product, simply contact us to return it for a full refund.

Invest in the Certified Organic Cotton King Size Mattress Cover for a good night's sleep and peace of mind knowing you're keeping your family safe and comfortable.

2. Iluvbamboo King Bed Protector – Cool & Waterproof

The iLuvBamboo waterproof mattress protector is the recipient of the prestigious Mom's Choice Award, a testament to its superior quality. With a size of 76" x 80", this cooling waterproof mattress protector is a perfect fit for a standard USA king mattress. The fully elasticized skirting and deep 18" pocket ensure that the mattress protector stays in place, providing you with peace of mind knowing that your mattress is protected from spills, leaks, sweat, and stains.

The bamboo jacquard fabric is incredibly soft and silky-smooth, allowing you to doze off to dreamland in no time. You'll wake up feeling fully rested, thanks to the breathability of this mattress protector, which makes no crinkly sound. It's easy to care for, too. Simply toss it in the wash, and dry it at low heat for a hassle-free clean. You can buy two or more, so you always have a fresh mattress cover to replace the one in the wash, providing you with all-time protection.

The iLuvBamboo waterproof mattress protector is made from premium bamboo jacquard material that won't snag easily, unlike the bamboo terry material that's available in the market. You can count on its durability, which makes it a smart investment. It's also free from PVC, phthalate, and vinyl, making it safe for the whole family, including nursing moms, sick kids, the elderly, and pets who like to sleep on the bed.

This waterproof mattress protector is available in multiple sizes, including Twin, Twin XL, Full, Full XL, Queen, King, and California King sizes. It's perfect for hospital beds, dormitories, RVs, or truck bunks. It's also an essential gift idea for your loved ones, family, and friends. Give the gift of comfort and protection, which they'll appreciate on special occasions like Christmas, birthdays, Father's Day, and Mother's Day.

At iLuvBamboo, we're committed to providing superior quality products that make your life easier and more comfortable. We only give our family the best, and we know that yours deserves the best too. If for any reason you're not completely satisfied with the mattress protector king size waterproof, we'll make it right, or you'll get your refund back.

3. Coolmax King Size Waterproof Mattress Protector

The Reaks Mattress Protector is a top-of-the-line product that has been certified by OEKO-TEX STANDARD, ensuring that it is free of harmful substances that may affect the sleep health of consumers. The protector is designed to provide a waterproof and noiseless sleeping experience, thanks to its upgraded 2mm TPU waterproof layer that effectively protects the mattress from liquid leaks without making any noise during the night.

One of the key features of this mattress protector is its 3D air fabric. The unique channel weave structure of the fabric facilitates air flow and expels heat, making it an ideal choice for hot sleepers who struggle to find a cooling sleeping surface. Additionally, the surface of this mattress protector is incredibly soft to the touch, providing just the right amount of fluffiness to offer good support and soothe pressure points, creating a better sleeping environment.

The Reaks Mattress Protector has a fitted style that includes stretchy skirts to prevent the top from sliding, and it can fit mattresses up to 18 inches deep, providing a secure and snug fit. This product is also incredibly easy to maintain, as it is machine washable, making it a cost-effective and durable solution for protecting your mattress.

4. Hanherry Bamboo King Size Waterproof Mattress Pad

The Bamboo Terry Surface King Size Mattress Protector offers a comfortable and protective layer for your bed. Its cooling and skin-friendly properties provide a relaxing sleeping experience, while its good wicking properties help to keep moisture away from the skin. The 100% Waterproof TPU Backing is breathable and noiseless, and only allows air to enter while repelling liquid. This feature ensures that your mattress stays dry and clean, providing a healthier sleeping environment.

The 3D Air Fabric of the mattress protector adds to the softness of the bed, making it even more comfortable. Its 16 inch deep pocket can fit up to 21 inches, preventing the mattress from moving around and ensuring that it stays in place throughout the night.

Customer satisfaction is a top priority for this product's manufacturer. They offer a 30-day return/replacement service, and customers can contact their customer support through Amazon if they need any assistance.

The King Size Mattress Protector measures 78" x 80", making it a perfect fit for most king size beds. With its various features such as the Bamboo Terry Surface, 100% Waterproof TPU Backing, 3D Air Fabric, and 16 inch deep pocket, this mattress protector offers the ultimate protection and comfort for a good night's sleep.

5. Saferest King Size Waterproof Mattress Protector

The mattress protector is an essential addition to any bedding set. It is designed to protect the mattress against fluids, urine, perspiration, and any other substances that may cause staining. The protector is made of high-quality materials that ensure your mattress remains dry and in pristine condition.

The King mattress protector is known for its quiet and breathable design, allowing for a full night's sleep while protecting your mattress. Its breathable nature ensures that you do not experience any discomfort or overheating during the night. It is perfectly fitted to ensure that your mattress is completely covered and protected against unwanted creatures.

This bedding essential is perfect for Airbnb hosts, as well as those moving into a first home or a new apartment. It offers peace of mind, knowing that your mattress is protected against any accidents that may occur. In addition to its protective features, the King mattress protector is also aesthetically pleasing and will complement any bedding set.

The mattress protector is designed for ease of use and maintenance. It is machine washable on cold and can be tumble dried once cleaned. The protector is durable and can withstand multiple washes without losing its protective qualities.

Investing in a King mattress protector is an investment in the longevity of your mattress. It is a cost-effective way to protect your mattress against damage and stains, ensuring that it remains in excellent condition for years to come. With its quiet and breathable design, it guarantees a comfortable and peaceful night's sleep.

6. Breathe Easy Bamboo Mattress Protector

Introducing the GOPOONY Bamboo Fiber Surface Mattress Protector, the perfect solution to protect your mattress from spills, stains, sweat, and bed wetting. Made of eco-friendly and natural bamboo fiber material, this mattress protector is perfect for those who prioritize sustainability and quality.

The bamboo fiber surface is designed to be cooling, skin-friendly, and has good wicking properties, ensuring a comfortable sleep experience. The premium TPU back of the mattress protector is 100% waterproof, ensuring protection against sweat, liquids, and stains without compromising breathability or creating any noise.

The 3D air fabric of the GOPOONY Bamboo Fiber Surface Mattress Protector is softer and more comfortable than ordinary protective covers. The highly breathable material is designed to make your bed more comfortable, allowing you to enjoy a peaceful and uninterrupted sleep.

This mattress protector is designed to fit all types of mattresses up to 21 inches deep, with an 18-inch deep pocket that prevents the mattress from moving. The GOPOONY Bamboo Fiber Surface Mattress Protector is available in King size, measuring 78 inches x 80 inches.

GOPOONY is confident in their product and offers a 30-day return/replacement service. If you encounter any issues with the mattress protector, their customer support team is ready to assist you.

For frequent accidents, it is advisable to purchase two or more pieces of the GOPOONY Bamboo Fiber Surface Mattress Protector, so you can change it when one is being washed.

Protect your mattress with the GOPOONY Bamboo Fiber Surface Mattress Protector, and enjoy a comfortable and restful sleep every night.

7. Ultimate Waterproof Mattress Protection For Kings

The SureGuard Mattress Protector is the perfect solution for individuals seeking reliable protection against liquids, stains, and perspiration. With a 100% waterproof design, this mattress protector offers top-notch protection for your mattress, ensuring it remains clean and fresh for an extended period. The 10-year quality guarantee provides assurance that this product is of high quality and can be relied on to deliver excellent performance.

The mattress protector's soft and noiseless cotton terry surface offers a comfortable sleeping experience while also wicking away moisture to keep you dry and comfortable throughout the night. Unlike other mattress protectors that are made from toxic chemicals like Vinyl, PVC, and phthalates, this product is free from such harmful substances, making it safe for use by everyone.

The SureGuard Mattress Protector is also durable and easy to clean, making it an excellent choice for individuals who want to maintain a clean and fresh sleeping environment. It is machine washable and dryable, making it easy to maintain even after frequent accidents. For individuals who require frequent washing, purchasing two or more mattress protectors is a great option to ensure that the mattress remains protected while one is being washed.

The king-sized SureGuard Mattress Protector features a stretchable skirt that fits any depth mattress, ensuring a secure fit for all mattress sizes. Additionally, the fitted sheet style makes it easy to install, and the protector is independently lab tested and GREENGUARD Gold certified. This certification assures buyers that the product has been tested and proven to meet strict chemical emissions standards and is safe for use in indoor spaces.

For optimal protection against dust, dirt, and dander, it is recommended to purchase the SureGuard Pillow Protectors together with the mattress protector. This combination provides complete protection against allergens, ensuring a clean and healthy sleeping environment. Overall, the SureGuard Mattress Protector is a high-quality product that offers reliable protection and is perfect for individuals seeking a clean and healthy sleeping environment.

8. Bamboo Pillowtop Mattress Pad For King Size Bed

Looking for an effective solution to reduce the stiffness of your old mattress? Consider the GRT King Size Bamboo Mattress Topper Fitted. This product is designed to add outstanding support and cushioning to your aging mattress, providing you with a sleeping environment in line with ergonomics.

This bamboo mattress topper is thicker and softer than other similar products in the market, making it an optimum choice for better sleep. Its selected skin-friendly bamboo fabric is stuffed with premium 3D snow down alternative filling, making it certified to OEKO-TEX standard 100. This means that it is safe and free from harmful chemicals, making it an ideal choice for those with sensitive skin.

The extra thick bamboo king size mattress pad is designed with a double border construction, ensuring that the filling stays in place and providing comfort for a firm mattress. The box quilting design helps to maintain its shape and adds extra fluffiness to the mattress. It is suitable for those who want to soften an overly strong mattress to relieve pressure points.

The deep pocket and 360° full wrap design is another great feature of this product. Its material around the sides is stretchable, combined with the deep pocket design, it can perfectly fit mattresses up to 22 inches without the need for frequent adjustments. This ensures that you get a comfortable and secure fit for your mattress.

Cleaning this mattress topper is easy. It is washer-friendly and washes beautifully. You just need to treat it with care in the washer and dryer, washing on a gentle cycle and tumble drying on low heat.

At GRT, customer satisfaction is a top priority. They are dedicated to providing you with a good sleep experience, and they will try their best to solve any problem that you may encounter. Overall, the GRT King Size Bamboo Mattress Topper Fitted is an excellent investment for anyone looking to improve the comfort and support of their mattress.

9. Bug-Proof King Mattress Encasement: 100% Waterproof!

Looking for a mattress encasement that offers complete protection against spills, bed bugs, and dust mites? Look no further than this King size mattress encasement!

With dimensions of 78 inches by 80 inches and a 15-inch deep pocket, this encasement is perfectly suited for King size mattresses. The stretchable knitted polyester fabric is soft and comfortable to sleep on, while the zippered cover secures the mattress from all sides, providing 360-degree protection.

But that's not all! The mattress encasement is 100% waterproof, thanks to the high-quality TPU backing that resists any leakage into the mattress. This ensures that your mattress stays clean and safe, even in the event of spills or accidents.

And when it comes to maintenance, this encasement is a breeze to care for. Simply machine wash and tumble dry for easy cleaning and maintenance. Please note that packaging may vary slightly.

But the real standout feature of this mattress encasement is its ability to protect against bed bugs and dust mites. The high-quality zipper completely seals off the encasement, preventing these unwelcome pests from making themselves at home in your mattress.

So if you're looking for a reliable, comfortable, and easy-to-care-for mattress encasement that provides complete protection against spills, bed bugs, and dust mites, look no further than this King size mattress encasement.

10. King-Size Quilted Mattress Protector By Utopia Bedding

The King size mattress pad is a perfect addition to any bedroom, measuring 78 by 80 inches with a skirt that fits comfortably onto a 16-inch deep mattress. It is important to note that this mattress pad is not waterproof or spill proof, so it is recommended to use additional protection to keep it clean and dry.

The quilted cover of the mattress pad is durable and long-lasting, making it a significant investment in keeping your mattress free from stains. The super soft quilt, filled with fiberfill, provides extra comfort and protection, ensuring a restful night's sleep. The elastic all around secures the pad into position, preventing it from slipping or bunching up during the night.

This mattress pad is an ideal choice for anyone looking for a comfortable, soft, breathable, and high-quality option. It is perfect for those who want to extend the life of their mattress while also improving their sleep experience.

The cover is machine washable, making it easy to care for and maintain. Simply tumble dry on low heat, and do not bleach. For natural drying, hang the cover outside in the sun or lay it flat to air dry.

Best King Size Mattress Cover FAQs

Are there any special features I should look for in a king size mattress cover?

Yes, there are a few special features that you should look for when purchasing a king size mattress cover.

Firstly, it is important to ensure that the cover fits your king size mattress perfectly. The cover should have deep pockets that can accommodate the thickness of your mattress and elastic edges that keep the cover securely in place.

Secondly, you may want to consider a cover that is waterproof or water-resistant. This will help protect your mattress from spills, bodily fluids, and other types of moisture that can cause damage and odors.

Thirdly, some king size mattress covers come with additional features such as hypoallergenic materials, temperature regulation, and extra padding for added comfort.

Lastly, it is important to choose a high-quality cover that is durable and easy to clean. Look for covers made from breathable and machine-washable materials that can withstand frequent use and washing.

Overall, when shopping for a king size mattress cover, consider your specific needs and preferences to ensure that you choose a cover that is both functional and comfortable.

Can a king size mattress cover help prevent allergies or asthma symptoms?

Yes, a king size mattress cover can help prevent allergies or asthma symptoms. Mattress covers are designed to protect the mattress from dust mites, bed bugs, and other allergens that can trigger respiratory issues. Dust mites are a common cause of allergies and asthma, and they thrive in warm and humid environments like our beds. The mattress cover creates a barrier that prevents dust mites and other allergens from penetrating the mattress and coming into contact with our skin and respiratory system. It is recommended to choose a mattress cover that is specifically designed for allergy and asthma sufferers, made from hypoallergenic materials and has a high filtration rate. Additionally, it is important to wash the cover regularly to keep it clean and free from allergens. Overall, using a king size mattress cover can be an effective way to reduce the risk of allergies and asthma symptoms.

Can a king size mattress cover help prevent bed bugs or dust mites?

Yes, a king-size mattress cover can help prevent bed bugs and dust mites. The cover acts as a barrier between the mattress and the bugs or mites, preventing them from burrowing into or living on the mattress. However, it is important to note that not all mattress covers are created equal. Look for covers that are specifically designed to be bed bug and dust mite-proof, with small pore sizes and a tight seal. Additionally, be sure to regularly wash the cover in hot water to kill any bugs or mites that may have accumulated on the surface. While a mattress cover can be an effective preventative measure, it is not a substitute for proper cleaning and maintenance of your bedding and surrounding environment.

How do I choose the right size cover for my king size mattress?

Choosing the right size cover for your king size mattress is important to ensure a comfortable fit and maximum protection. The first step is to measure your mattress accurately. Measure the length, width, and height of your mattress. Once you have these measurements, look for a cover that matches or exceeds these dimensions. A good rule of thumb is to choose a cover that is at least 1-2 inches larger than your mattress on all sides.

It is also important to consider the type of cover you want. Some covers are designed to fit snugly like a fitted sheet, while others are designed to cover the entire mattress and zip up like a bag. Make sure to choose a cover that suits your needs and preferences.

Finally, consider the material of the cover. Choose a cover that is made of high-quality, breathable material that is easy to wash and maintain. A good cover should also be water-resistant and hypoallergenic to protect your mattress from spills, dust mites, and other allergens. By following these tips, you can ensure that you choose the right size cover for your king size mattress.

How long will a high-quality king size mattress cover last?

The lifespan of a high-quality king size mattress cover depends on various factors such as the quality of the materials used, the frequency of use, and the level of care given to the cover. Generally, a high-quality mattress cover made from durable materials such as cotton, latex, or bamboo can last anywhere between 3 to 5 years or even longer with proper care. However, factors such as spills, stains, and exposure to moisture can reduce the lifespan of the cover.

To ensure your king size mattress cover lasts longer, it is important to follow the manufacturer's care instructions. Regularly washing and drying the cover can help to maintain its quality, freshness, and extend its lifespan. It is also important to avoid exposing the cover to direct sunlight or heat sources, as this can lead to fading, shrinkage, or damage to the fabric. In summary, a high-quality king size mattress cover can last for several years with proper care and maintenance.

How often should I wash my king size mattress cover?

It is recommended to wash your king size mattress cover every 2-3 months to keep it clean and hygienic. However, if you have allergies or suffer from asthma, you may need to wash it more frequently. Additionally, if you spill something on the cover or notice any stains or odors, it is best to wash it immediately to prevent any permanent damage. When washing your mattress cover, make sure to read the care instructions carefully to avoid damaging the material. Most covers can be washed in a washing machine on a gentle cycle with mild detergent. Avoid using bleach or fabric softeners as they can damage the fabric and reduce its lifespan. After washing, it is best to air dry the cover to prevent it from shrinking or becoming misshapen.

Is it worth investing in a more expensive king size mattress cover?

Investing in a good quality mattress cover is always a wise decision. A mattress cover not only protects your mattress from stains, spills, and dust mites but also adds an extra layer of comfort to your sleeping surface. When it comes to king size mattress covers, investing in a more expensive one may be worth it, depending on your needs.

A higher-priced mattress cover typically uses better quality materials that are more durable and offer superior comfort. For example, a cover made with high-quality cotton or bamboo fabric will be more breathable, hypoallergenic, and softer to the touch than a cheaper synthetic option. Additionally, a more expensive cover may come with additional features such as waterproofing, cooling technology, or extra cushioning.

However, it's important to note that not all expensive mattress covers are necessarily better. Before making a purchase, consider your budget and personal preferences, and read reviews from other customers to ensure that the cover you choose is worth the investment.

What are the benefits of using a king size mattress cover?

Using a king size mattress cover can provide several benefits. Firstly, it can protect your mattress from spills, stains, and allergens such as dust mites, which can help extend the life of your mattress. A mattress cover can also act as a barrier between you and the mattress, preventing the transfer of sweat, body oils, and dead skin cells, which can help keep your mattress clean and hygienic.

Additionally, a king size mattress cover can provide added comfort and support. Some covers are made with materials such as memory foam, which can contour to your body and provide pressure relief, while others may have cooling properties to help regulate your body temperature for a better night's sleep.

Finally, a king size mattress cover can be easily removed and washed, making it a convenient and cost-effective option compared to regularly replacing a mattress. Overall, using a king size mattress cover can help improve the longevity, cleanliness, and comfort of your mattress.

What are the best materials for a king size mattress cover?

The best materials for a king size mattress cover are those that are durable, breathable, and comfortable. One of the most popular materials for mattress covers is cotton. It is soft, comfortable, and breathable, allowing air to circulate through the mattress and keep you cool at night. Another popular material is bamboo. Bamboo is also breathable and hypoallergenic, making it an excellent choice for people with allergies or sensitive skin. Additionally, it is eco-friendly and sustainable.

Other materials that are commonly used for mattress covers include polyester, microfiber, and blends of different materials. These materials are also durable and breathable, but they may not be as comfortable as cotton or bamboo.

Ultimately, the best material for a king size mattress cover depends on your personal preferences and needs. Consider factors such as breathability, comfort, durability, and allergy sensitivity when choosing a material for your mattress cover.

What is the best type of king size mattress cover for hot sleepers?

For hot sleepers, the best type of king-size mattress cover would be the one that promotes breathability and air circulation. A cooling mattress cover is an excellent option for those who tend to get too hot at night. These covers are typically made from breathable and moisture-wicking materials like cotton, bamboo, or Tencel, which help to regulate body temperature and keep you cool throughout the night.

Another option for hot sleepers is a mattress cover with a phase-change material (PCM) technology. This type of cover is designed to absorb and release body heat as needed, keeping you at a comfortable temperature throughout the night.

In addition to material, it's also important to consider the thickness and loft of the mattress cover. A thin and low-loft cover will allow for better air circulation and breathability, while a thick and high-loft cover may trap heat and make you feel even hotter.

Overall, when choosing a king-size mattress cover for hot sleepers, look for one that is made from breathable materials, has moisture-wicking properties, and is thin and low-loft to promote air circulation.

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