The Mainstays 1.5" Memory Foam Combo Mattress Topper is designed to offer you a restful night's sleep. It features a temperature-sensitive memory foam surface for contouring comfort. Its unique construction has thousands of geo-cut cells to relieve pressure points and give you a more comfortable night's sleep so you can wake up feeling refreshed. This memory foam mattress topper also contains a flexible urethane base for added support. For easy care and maintenance, the mattress topper is machine washable. It is available in twin, twin XL, full, Queen, and King Sizes.