CHIME 12 INCH MEMORY FOAM KING MATTRESS - M72741 Item no M72741 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. Comfort level ultra plush Thick memory foam layer Super thick firm support foam Stretch knit cover Note Purchasing mattress and foundation from two different brands may void warranty see warranty for details 10-year non-prorated warranty Foundation box spring sold separately Mattress ships in a box please allow 48 hours for your mattress to fully expand after opening State recycling fee may apply