Sleepark Waterproof Hypoallergenic Mattress Protector – Premium Cotton Terry - Vinyl Free - 15 Year Warranty - Cal King Size

Breathable and Comfortable This product is breathable and comfortable, and wouldn't make you sweat. Noiseless and Undetectable This protector is designed to be noiseless and undetectable. Waterproof Only the surface of the protector is waterproof,the sides are not waterproof. Fitted Size Fitted up to 18", if less than 18", still fits well. It doesn't get baggy it just allows you to use the excess to hold the sides and can be tucked under the bottom. Cotton Terry Surface Cotton terry is often used on premium clothing and reusable baby diapers, due to its comfort and durability. Cotton terry is noiseless, wrinkle-resistant, and machine-washable making it the most popular surface material choice. Construction Surface: 80% cotton and 20% polyester terry cloth Lining: 100% polyurethane laminate Skirt: 100% polyester, exclusive of elastic 5 Sides Protector The bottom is open, but it's stretchy all the way around, not just in the corners and fits very generously, going under the mattress quite a bit. Fabric Strength The fabric is durable and no issues with ripping and tearing.