Design Weave Fresh Slumber Performance Mattress Pad, Queen, White Sateen; 80% Cotton/20% Polyester Imported 400 thread count sateen fabric made from 80% cotton and 20% polyester with 100% polyester filling Includes 1 mattress pad: 60x80-inches Reduces humidity for drier sleep and more comfortable nights 3/8-Inch elastic all the way around the 15-inch skirt Machine washable and tumble dry 400 thread count sateen fabric made from 80% cotton and 20% polyester with 100% polyester filling Includes 1 mattress pad: 60x80-Inch Reduces humidity for drier sleep and more comfortable nights 3/8-Inch elastic all the way around the 15-inch skirt Machine washable and tumble dry