Choose from the available size options. Features gel infused CertiPUR-US Certified Foam. Individual encased coils provide support. Washable diamond quilted cover. Features fire resistant fiberglass cloth. Settle in for a great night's sleep with the Modway Elysse CertiPUR-US Certified Foam 12 in. Gel Infused Hybrid Mattress. This plush mattress features gel-infused foam that helps to keep you cool as you sleep. A layer of coil support enhance the foam layer. This mattress helps to minimize movement caused by your partner as they shift.Mattress Dimensions:Twin: 75L x 39W x 12H in.Full: 75L x 54W x 12H in.Queen: 80L x 60W x 12H in.King: 80L x 76W x 12H in. Size: Twin,King,Full,Queen.