Best Split King Size Mattress Protectors of 2026

Introducing the BEDLORE Waterproof Mattress Protector, designed to provide ultimate comfort and protection for your mattress. This gray king size mattress pad features a unique classic coin quilt pattern, making it both supportive and durable. With its 100% waterproof TPU layer, it effectively prevents sweat, body fluids, urine, and accidental spills, making it perfect for those with kids, pets, allergies, asthma, eczema, or incontinence. The soft and breathable microfiber top layer and filling ensure a comfortable sleeping experience, while reducing noise and protecting against moisture. The 360° deep pocket design ensures a snug fit on mattresses up to 21" deep, keeping the mattress pad in place all night long. Plus, it's dirtproof and easy to clean, machine washable and tumble dryable. Upgrade your mattress with the BEDLORE Waterproof Mattress Protector for a restful and worry-free sleep.

Protect your investment with the PlushDeluxe Mattress Protector! Made from natural bamboo fabric, this ultra-soft and breathable mattress cover safeguards your mattress from dirt, water, and normal wear and tear. The waterproof and breathable membrane resists water, including accidental spills and bodily fluids, making it an excellent choice for potty training, nursing sick kids, or having pets in your home. It fits all types of mattresses including memory foam, latex, or spring, and produces no crinkling sound. With a 10-year warranty, you can trust this mattress protector to keep your mattress fresh and clean for years to come.

Protect your mattress with the SafeRest Waterproof Mattress Protector. This King-size cotton terry protector is designed to keep your mattress dry and stain-free. It provides a quiet and breathable sleeping experience, allowing you to have a full night's sleep without any disturbances. The fitted design ensures a perfect fit for your King mattress, protecting it against unwanted creatures. Whether you're a host on Airbnb or setting up your first home or new apartment, this mattress protector is an essential bedding item. It is also machine washable, making it easy to clean and maintain.

Keep your mattress dry and comfortable with the Amazon Basics Waterproof Mattress Protector Cover. It features a cotton-terry surface with a waterproof and breathable membrane barrier to protect against spills and moisture. The fitted-sheet style design fits any type of mattress up to 18 inches deep. Perfect for pet owners, parents, and anyone who wants long-lasting comfort from their mattress.

The MUXHOMO Waterproof Mattress Cover offers a breathable design made from bamboo rayon and polyester, helping you stay cool and comfortable throughout the night by evenly distributing heat. Its advanced waterproof layer protects your mattress from sweat, spills, and stains, giving you peace of mind against accidents. The cover is also quiet and soft, thanks to bamboo-derived viscose, so you won’t hear any crinkling noises as you move. Plus, its deep, stretchable pockets fit mattresses from 8 to 21 inches thick, including memory foam and latex, ensuring a snug fit that stays in place without slipping. This makes it a convenient and reliable choice for a better night’s sleep.