Soft, quiet and 100% waterproof top surface repels all liquids including bodily fluids, perspiration, urine and accidental spills Fully-elasticized fitted sheet style protector features deep pockets for a smooth, secure fit on mattress depths up to 18"; Design is intended to be used with a fitted sheet placed over the protector to keep the feel of your mattress International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.