Wolf Ortho Ultra Firm Mattress: * Full foam encasement * Premium damask cover * Advanced Aerolife cotton quilt fill * 336 steel innerspring * Can be used with standard-sized sheets * Product Dimensions by Size: * Twin: 38 x 74 x 10 * Full: 54 x7 4 x 10 * Queen: 60 x 80 x 10 * King: 76 x 80 x 10 * Made in the USA