Beautyrest Waterproof Mattress Pad, Cotton Blend, Full polyester polyester ULTIMATE COMFORT ? Soft 200-thread count cotton blend fabric and supportive hypoallergenic fiberfill MATTRESS PROTECTION ? Shields mattress from wear and tear damage with waterproof and stain releasing properties STAYS IN PLACE - Expand-a-Grip skirt fits mattresses up to 15? EASY CARE ? Suitable to machine wash and dry