Best King Size Mattress Encasements of 2025

The Utopia Bedding Mattress Encasement is designed to fit king-sized mattresses perfectly, accommodating depths of up to 30 cm. Its durable knitted polyester fabric is both soft and breathable, ensuring comfort while providing long-lasting use. With 360° protection secured by a mini-zipper, you can rest easy knowing that even the tiniest bed bugs are kept at bay. The high-quality TPU backing makes this encasement waterproof, effectively repelling dust mites and bacteria for a healthier sleeping environment.

The IMFAA Mattress Protector offers complete protection for your king-sized mattress with its fully zipped encasement. This design provides a 360-degree barrier against bed bugs, dust mites, and other insects, ensuring a healthier sleep environment. The waterproof layer effectively shields your mattress from spills and sweat, keeping it dry and stain-free. Additionally, its hypoallergenic properties help to reduce exposure to allergens, making it an excellent choice for allergy sufferers and those with asthma.

The HIGHLIVING Mattress Protector features exclusive micro-zipper technology that ensures a secure fit, preventing any accidental openings. This premium protector is designed with a high-quality TPU backing, providing effective waterproofing while repelling dust mites and bacteria. You can rest easy knowing that bed bugs won't find a home in your mattress, as this encasement acts as a barrier. Additionally, it's hypoallergenic, helping you breathe easier by keeping allergens at bay and ensuring a healthier sleeping environment.

The Homely Mattress Protector offers excellent protection for your mattress, helping you save money by extending its lifespan while maintaining comfort. Its high-quality elastic fabric allows for easy placement and ensures a secure fit, preventing any breakage. This protector is also hypoallergenic, providing a barrier against allergens, dust mites, and bed bugs, which helps you breathe easier at night. Additionally, the ultra-soft material guarantees a noiseless sleep experience, allowing you to enjoy restful nights without disturbances.

The WRAPPYBAG Mattress Protector offers complete protection for your mattress, keeping it looking new for longer. Its end-to-end waterproof case is perfect for families with young children or pets, safeguarding against spills and accidents. You can rest easy knowing it effectively blocks mites and bed bugs, thanks to its reinforced zip and airtight design. Plus, it's free from harmful chemicals, ensuring a safe and hygienic sleep environment for you and your family.

The House Of Emily Protector offers complete protection for your mattress. With its 100% bed bug proof design, you can rest easy knowing your mattress is shielded from pests. The encasement is also anti dust mite and antibacterial, ensuring a healthier sleeping environment. Its waterproof feature guards against spills and stains, while the breathable material keeps you comfortable throughout the night. The easy-fit three-sided zipper system allows you to effortlessly slide your mattress in and secure it, providing peace of mind for your investment.

The MIA Mattress Zip Protector is designed to provide ultimate protection against bed bugs, dust mites, and allergens, ensuring a cleaner and healthier sleep space for you and your family. It fits mattresses up to 30cm deep, offering a secure and snug fit that prevents shifting. Being hypoallergenic, it helps reduce allergy triggers, making it perfect for those with sensitive skin or allergies. Additionally, its effortless machine washability means you can keep your mattress cover fresh and hygienic with minimal effort.

The Guardmax Mattress Protector offers excellent protection for your mattress. With its bed bug proof design, you can sleep soundly knowing that these pests are kept at bay. The water-resistant feature ensures that moisture and spills are sealed out, keeping your mattress dry and comfortable. Additionally, it is hypoallergenic, guarding against dust mites and allergens, making it a safe choice for children, especially those prone to accidents. Lastly, the soft and quiet fabric enhances your sleeping experience, allowing you to rest without any crinkly distractions.

The Olivia Rocco Protector Cover is designed to shield your mattress from bed bugs, allergens, and spills, ensuring a restful sleep. With its three-sided zipper system, installation is simple and convenient, while the patented secure seal ensures that the encasement remains bed bug-proof and prevents any exposure of your mattress. The waterproof nanotech fabric not only keeps your mattress dry but also allows breathability, enhancing your comfort. By encasing your mattress, you actively protect your investment and maintain a healthy sleeping environment.

The Xuanyijie Mattress Protector offers 100% waterproof protection, shielding your mattress from liquids such as sweat, urine, and spills, ensuring a clean sleeping environment. Its fully zipped encasement provides all-round coverage, making it suitable for mattresses up to 30cm deep. You will appreciate the breathable knitted fabric that keeps you cool and comfortable throughout the night. This protector not only extends the life of your mattress by preventing stains but also fits securely on all mattress depths from 10 to 30 cm.