· 100% Waterproof - Top protection against perspiration, bed wetting, liquids and stains; 10-year quality guarantee (NOTE: For six-sided protection, buy a SureGuard Mattress Encasement).· Keeps Your Mattress Clean & Fresh - Blocks dust, dirt and dander on the top side. Buy together with SureGuard Pillow Protectors.· Soft & Noiseless - Smooth 100% cotton surface; Wicks away moisture; Retains the feel of your mattress - Free from Vinyl, PVC, Phthalates, fire retardants and other toxic chemicals· Durable & Easy to Clean - Machine wash & dry - For frequent accidents, buy 2 or more - while one is washed, the other protects the mattress· King (78 in x 80 in) - Fitted Sheet Style; Stretchable skirt fits any depth mattress. Independently lab tested and GREENGUARD Gold certified.