Relax in a cloud and enjoy a restful night's sleep with the Essence of Copper Mattress Pad. Promoting a healthy sleep environment, the pad is luxuriously woven with copper infused fabric with a blend of polyester for added softness.Promoting a healthy sleep environment, the pad is luxuriously woven with copper infused fabric with a blend of polyester for added softness. Fits mattresses up to 18" deep. Twin mattress pad measures 75" L x 39" W. Full mattress pad measures 75" L x 54" W. Queen mattress pad measures 80" L x 60" W. King mattress pad measures 80" L x 78" W. 96% polyester/4% copper. 100% polyester fill. Machine wash. 1-year full manufacturer's warranty. Imported.