New! 12-Inch Twin XL Deluxe Memory Foam Mattress for Adjustable Bed Base. This is a 12 inch thick, a medium firm mattress. Feels like a Tempur-Pedic Swedish Mattress. Made with 5.3LB density, 5" 100% Visco-Elastic Memory Foam and 7" High Resilience Polyurethane Base Foam. Retails for ,500 and up! All items are brand new factory sealed! and shipped in original packaging. Don't be fooled into buying an "original" for no reason. Our mattress is guaranteed to feel and perform the same or your money back! Why are Memory Foam mattresses the most popular mattresses we sell? It uses the Visco-elastic Memory Foam Technology developed by NASA to sense your body's weight and temperature and then gently conform to your shape to minimize pressure points and reduce tossing and turning. We use only the best quality products available on the market today. The best firmness retention foam in the industry. To minimize shipping fees and for ease of handling during delivery, this mattress has been vacuum packed. Rest assured this does not compromise the quality or comfort of the mattress and that the mattress will conform to its proper size within 1 - 2 hours. Twin XL Mattress Dimensions:(H)12" x (W)38" x (L)80". 20 Year Limited Warranty! One Mattress Only! Pillows and Adjustable Bed Frame Base are not included!