Designed for a better night s sleep this soft mattress pad combines a comfortable quilted top with a durable underside of polyurethane for a protective waterproof bed setup. Incorporating smooth 200 thread count cotton surfacing over hypoallergenic polyester fiberfill quilting the cozy foam mattress pad maintains breathability while improving overall comfort in any season. The durable polyurethane layer is soundless when moved on so it protects the mattress pad without noise. The pad s flexible knit sides hug mattresses up to 22 inches deep to keep it snug smooth and centered. Available in twin extra-long twin full queen king and California king this waterproof mattress pad can be machine washed and tumbled dry for easy maintenance.