14" Nectar Luxe Memory Foam 5.1 Medium Plush Mattress Meet the award-winning Nectar—the better mattress for better mornings. With multiple unique layers of sweet comfort and support, the Nectar Luxe Memory Foam 5.1 twin XL mattress ensures a refreshing rest. The breathable extra cooling cover, therapeutic memory foam and support foams work together to keep you cool, cradle your body and minimize motion transfer. It's love at first sleep. Highlights: Comfort level: medium plush Cooling quilted poly-blend cover Therapeutic memory foam Comfort support foam Endurance support foam Shift-resistant lower comfort cover Adjustable base compatible 365-night trial; Forever Warranty™ CertiPUR-US® certified foams Foundation/box spring sold separately Mattress ships in a box; please allow 72 hours for your mattress to fully expand after opening State recycling fee may apply Item Description: Twin Mattress 38" W x 75" D x 14" H Full Mattress 54" W x 75" D x 14" H Queen Mattress 60" W x 80" D x 14" H King Mattress 76" W x 80" D x 14" H