Best California King Size Mattress Protectors of 2025

The BEDLORE Mattress Protector offers a unique quilted design that enhances support while preventing heat and moisture buildup. With its 100% waterproof feature, you can rest easy knowing that spills and accidents won’t damage your mattress. The soft, breathable top layer ensures you enjoy a comfortable night’s sleep without annoying noises. Plus, the deep pocket design fits snugly on mattresses up to 18 inches deep, so it stays in place no matter how much you move. This protector is perfect for anyone looking to keep their mattress clean and comfortable.

The Lunsing Mattress Protector offers exceptional protection and comfort for your bed. Its waterproof layer keeps your mattress safe from spills, sweat, and stains, ensuring a clean sleeping environment. The ultra-soft fabric feels gentle against your skin while promoting airflow, allowing you to enjoy a cool and restful night’s sleep. With deep pockets, this protector fits securely on various mattress sizes, making it perfect for active sleepers. Ideal for families with children, seniors, and pets, this mattress cover creates a cozy and tidy sleeping space for everyone.

The Utopia Bedding Terry Mattress Protector is a premium waterproof mattress cover designed specifically for California King size mattresses. With its soft blended surface, it provides extra absorbency, coziness, and breathability, ensuring a comfortable sleep experience. The waterproof top and high-quality seam construction effectively prevent liquids from passing through, protecting your mattress from spills and keeping it clean and safe. The fitted style with all-around elastic creates a secure fit on mattress depths, ensuring that the protector stays in place. Made with a high-quality TPU backing, it resists leakage into the mattress, providing reliable waterproof protection. This mattress protector is easy to care for, as it can be machine washed and tumble dried. Overall, the Utopia Bedding Terry Mattress Protector offers superior protection and comfort for your California King mattress.

SafeRest Cal King Mattress Protector is a waterproof, noiseless, and soft mattress pad cover that fits your mattress perfectly. It protects your mattress against fluids and moisture while providing a breathable, wrinkle-free surface with membrane back coating. The cotton terry material of the protector will not change the feel of your mattress. It is a bedding essential for kids, adults, and pets of all ages.

The Premium Waterproof Mattress Protector California King Size Bed Mattress Cover is made of eco-friendly and natural bamboo fiber material with cooling, skin-friendly, and wicking properties. The 100% waterproof TPU back protects against perspiration, bed wetting, liquids, and stains while remaining breathable and noiseless. The 3D Air Fabric Terry surface provides extra comfort, and the 18" deep pocket fits all types of mattresses up to 21".

Introducing the SPRINGSPIRIT Mattress Protector, the perfect solution to protect your California king mattress. Made from ultra soft and breathable terry fabric, this mattress protector is not only comfortable but also skin-friendly. The waterproof membrane laminated back ensures that your mattress stays safe from spills, liquids, and stains, making it ideal for households with kids, pets, or the elderly. With its strong elastic and 360° snug fit, it easily fits mattresses of various sizes. Plus, it's easy to install and machine washable for hassle-free care. And with Springspirit's life-time guarantee, you can trust the quality of this mattress protector. Get the SPRINGSPIRIT Mattress Protector today and enjoy a peaceful and worry-free sleep.

The BEDLORE Mattress Protector offers a unique design with a classic quilted pattern, making it stand out in the market. This protector is 100% waterproof, ensuring your mattress stays safe from spills, sweat, and accidents, which is especially helpful for families with young children or those dealing with incontinence. The soft, breathable fabric provides a comfortable sleeping experience while reducing noise, so you can enjoy peaceful nights. With its deep pocket design, it fits securely on mattresses up to 18 inches deep, eliminating any worries about slipping or bunching. Easy to clean, this protector is machine washable for your convenience.

The MUXHOMO Mattress Protector offers a comfortable sleeping experience with its breathable material, made from bamboo rayon and polyester. This combination keeps you cool while evenly distributing heat throughout the night. It also features a waterproof layer that protects your mattress from spills and sweat, ensuring it stays dry. With its soft design, you can enjoy a noise-free sleep without any disturbances from movement. Additionally, the deep pocket design fits mattresses of various thicknesses, making it easy for you to secure it in place without worrying about slipping.

The PHF Mattress Protector offers a soft, breathable surface made from a blend of polyester and bamboo-derived viscose. This combination not only enhances comfort but also helps keep your mattress cool and dry by absorbing moisture effectively. It features a thick, waterproof membrane that protects against spills and stains, ensuring your mattress stays in pristine condition. Additionally, the protector is designed to be noiseless, so you won’t be disturbed by crinkly sounds while you sleep. With its deep pocket design, it fits snugly on mattresses up to 18 inches, providing complete protection and stability even with active children or pets.

Protect your investment with this waterproof, soft and noiseless mattress protector. The six-sided zippered encasement ensures that your mattress is completely covered and protected from spills, dust and pet hair. The easy installation allows you to simply place your mattress in the sealed end and zip all the way around it for a perfect fit. Made of high quality polyester and polyurethane, it is durable and long lasting. It fits any California King size mattress that is 12” to 16” deep and is machine washable for easy cleaning and lasting use.