Cotton Terry 100% WATERPROOF PROTECTOR - This water proof mattress cover repels all liquids including bodily fluids, perspiration, urine and accidental spills - machine washable protection COTTON TERRY - The noiseless and comfortable cotton terry surface and polyurethane backing protect your mattress from spills and stains - safe for children, toddlers and pets FITTED SHEET STYLE - Fully-elasticized fitted sheet style with deep pockets designed to fit mattresses up to 22 inches deep QUIET & THIN - The ultra-thin design is breathable, quiet and sleeps cool without changing the feel of your mattress Cal King size mattress protector measures 72 x 84; 15-year warranty