Purest 12" Reversible Pillow Top Memory Foam Mattress: * New ventilation technology, hypoallergenic construction, reversible pillow top with airflow technology creates the perfect sleep environment * 300 GSM air knit jacquard bamboo blend mattress cover * Non-skid top and bottom of the 8" foam base * Top section: top quilted with 1" of 2.5 lb memory foam * 1" ventilated transitional foam middle layer * 2" of 3 lb ventilated memory foam bottom/reversing side * Bottom section: 8" of 2 lb high resistance base foam * Zippered reversible top allows you to adjust softness or firmness with ease * Top layer has 3 layers to personalize your sleep * 1" memory foam layers conforms to your body shape * Middle transitional layer is ventilated and breathable * 2" memory foam ventilated layer for a softer, cooler nights rest * Bottom base layer provides the support your body needs * Item Dimensions: * Twin: 37 x 75 x 12 * Full:54 x 75 x 12 * Queen: 60 x 80 x 12 * King:78 x 78 x 12 * Cal King: 72 x 84 x 12 * 10-year warranty * Beds sold separately. See our assortment of beds. * Bed frames sold separately. See our assortment of bed frames.