Bare Home's mattress protector offers quiet protection with a soft terry cotton feel. Microscopic pores in the 100% Waterproof membrane backing repel urine, bed wetting, perspiration, accidental spills, and all other liquids to keep your mattress safe from stains. Elastic extends through the entire hem of the mattress cover and contours to fit mattresses up to 14 inches in depth for Twin, Twin XL, Full, and Full XL. Other sizes fit mattresses up to 18 inches in depth Dimensions: