Enjoy supreme comfort while sleeping with the Dreamsmart 1.5" Memory Foam Mattress Topper from Therapedic. Responsive temperature smart memory foam relieves pressure on sensitive areas. Adds an extra layer of cushioning to your mattress. Foam has Airopure Odor Neutralizing Technology. Responsive temperature smart memory foam relieves pressure on sensitive areas. Includes a removable cover which allows for easy care. Twin mattress topper measures 39 " W x 75 " L. Twin XL mattress topper measures 39 " W x 80 " L. Full mattress topper measures 52 " W x 73 " L. Queen mattress topper measures 58 " W x 78 " L. King mattress topper measures 74 " W x 78 " L. California King mattress topper measures 70 " W x 82 " L. 100% microfiber cover. 100% foam fill. Foam is spot clean only; cover is machine washable. 3-year full manufacturer's warranty. Made in USA of U.S. and imported materials.