When it comes to your comfort, discover the Chime 12-inch king mattress. Its thick layer of memory foam contours to your body, delivering amazing support, pressure relief and comfort. The memory foam layer is supported by a super thick layer of firm support foam. This 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. Weight 92.000 lbs. (41.4kgs.)