The Washable Memory Foam Mattress Pad will truly protect, restore, revive and enhance any mattress by adding an extra layer of comfort to your mattress. The top of the mattress pad features a high-density Memory Foam quilted layer, 1/2-inch in total thickness. Memory Foam is sensitive to body temperature and changes shapes as you move to provide responsive support all night long for a better night's sleep. The bottom layer is filled with soft & cozy polyester and offers additional comfort so both you and your sleep partner will sleep more soundly. In addition, the Mattress Enhancer features a fitted integrated stretch skirt that accommodates mattresses up to 18-22 inches deep and will help hold your mattress pad in place. The Washable Memory Foam Mattress Pad also features a supremely soft and beautiful knit jacquard cover made with polyester and blended with rayon fibers from bamboo. This mattress pad is machine washable for easy care and made with hypoallergenic materials. Outer cover fabric (multi-layer construction): Top layer: 100% viscose rayon, Mid layer: 100% polyester, Bottom layer: 100% polyester; Bottom layer: 100% Polyester non-woven; Foam Content: 100% polyurethane foam; Fill: 100% Polyester; Skirt: 100% Polyester Twin: 39 in x 75 in x 18 in Full: 54 in x 75 in x 18 in Queen: 60 in x 80 in x 18 in King: 78 in x 80 in x 18 in California King: 72 in x 84 in x 18 in Imported Material & Care Rayon Machine washable