Memory Foam Mattress will help you enjoy a more comfortable, better night's sleep. Choose the 6, 8, 10, or 12-inch profile mattress based on your preferences. It's available in Twin, Twin XL, Full, Queen, King, and California King sizes. These tight top memory foam mattresses are pressed, sealed, folded and rolled to a more manageable size. Allow 48 hours for the bedding to expand to its proper size and shape. mattress adopts high-density memory foam which prolongs the longevity of the mattress. All mattresses are eligible for a 10-year manufacturer warranty.