When it comes to your comfort, discover this ultra-plush 12-inch mattress. Its thick layer of memory foam conforms to your body delivering amazing support, pressure relief and comfort. The memory foam layer is paired with a super-thick layer of firm support foam, which helps reduce motion transfer so you and your partner can enjoy an undisturbed sleep. This mattress arrives in a box for easy setup. Foundation/box spring available, sold separately. 12 Inch Memory Foam - White - Twin Mattress 37.99"W x 74.41"D x 12.0"H - 45.0 lb 12 Inch Memory Foam - White - Full Mattress 53.15"W x 74.41"D x 12.0"H - 57.0 lb 12 Inch Memory Foam - White - Queen Mattress 59.84"W x 79.53"D x 12.0"H - 69.0 lb 12 Inch Memory Foam - White - King Mattress 75.98"W x 79.53"D x 12.0"H - 86.0 lb 12 Inch Memory Foam - White - California King Mattress 72.05"W x 83.46"D x 12.0"H - 87.0 lb