Select from available size options. Made of 100% polyurethane. Features 5 zone support to reduce pressure points. 1.5 in. marbleized gel memory foam mattress topper. Spot clean only. Experience the ultimate in support and a cool night's sleep with the Arctic Sleep by Pure Rest 5 Zone Marbleized Gel Memory Foam Topper. Cooling gel liquid is infused into the memory foam in a marbleized fashion, allowing for an even layer of cooling to better regulate your body temperature as you sleep. Five unique support patterns are molded directly into the memory foam, zones that are placed strategically at head, shoulders, back, legs, and feet to reduce tossing and turning and ensure a restful slumber. Topper Dimensions:Twin: 73L x 37W x 1.5H in.Full: 73L x 52W x 1.5H in.Queen: 78L x 58W x 1.5H in.King: 78L x 76W x 1.5H in.California King: 70L x 82W x 1.5H in.