Removalbe Machine Washable Cover : Our mattresses offer removable and machine washable covers that can be opened in both directions for easy removal and installation. The removable warming cover is made of breathable and skin-friendly fabrics to keep your whole body comfortable while you sleep. Memory Foam & Soft & Comfortable :Our mattress topper is made of 3-inch thick memory foam, perfect for side, back or stomach sleepers. Give your body enough support and reduce the pressure on your body. Egg Crate Design The special egg shell design can provide better support for your head, shoulders, back, waist, ankles and knees. But if you want to experience another kind of sleep, you can also turn the mattress over, and the flat memory foam on the other side can also provide you with a peaceful sleep.