The Smooth Top Mattress Protector shields the top of your mattress from spills, stains, and allergens without altering the feel of your mattress. Featuring a 100 percent waterproof barrier underneath the soft and breathable jersey fabric. The waterproof barrier keeps your mattress looking pristine while it protects from spills and accidents. The Smooth Top Mattress Protector features deep pockets that accommodates mattresses up to 18 inches thick for a sleek and secure fit. The fitted sheet-style design of the protector makes putting your protector as easy as putting on a fitted sheet. Accidents and spills are almost unavoidable, so we designed the Smooth Top Mattress Protector to be both washer and dryer safe for easy cleanup. This product comes with a 10 year U.S. warranty from the manufacturer. The Smooth Top Mattress Protector protects the top of your mattress from spills, stains, and allergens Composed of soft jersey fabric that is both quiet and breathable with a waterproof layer that protects the top of your mattress from fluids, accidents, and spills Compatible with most mattresses because of its deep pocket design that accommodates mattress up to 18-inches deep Accidents and spills are almost unavoidable, so we designed the Smooth Top Mattress Protector to be both washer and dryer safe for easy cleanup King Mattress Protector measures 80 inches by 76 inches