Enjoy a comfortable sleep even during warmer nights thanks to this mattress pad featuring a cover made from a blend of super-soft cotton and quick-drying Cocona fabric. top fabric is a 300 thread-count blend of cotton and Cocona; back is 200 thread-count polyester with waterproof coating Cocona comfort technology vents heat and moisture away from your body to keep your sleep area fresh and dry superior breathability so you stay drier, cooler and more comfortable guaranteed to fit mattresses up to 20 thick 12 ounces of polyester fiberfill per square yard for cushiony comfort satin piping on all sides Cocona cotton fiber with polyester fill. Washable. Imported. Twin: 38x4x74 Full: 53x4x74 Queen: 59x4x79 King: 75x4x79 Cal. King: 71x4x83