Product Details Our Gel Pearl sleep technology provides a more comfortable sleep by regulating your temperature. The memory foam adapts to your body to help relieve pressure points while asleep. The topper includes a washable, precision fit 100% cotton cover to hold the topper in place on your mattress. Features: 3″ thick memory foam infused with Gel Pearl Adapts to your body to help relieve pressure points while asleep Includes 100% cotton precision fit machine washable cover 10-year, limited warranty Foam made in the USA, Cover made in China