When it comes to your comfort, discover this 12-inch California king mattress. Its memory foam layer contours to your body, delivering amazing pressure relief to the body's major pressure points. This layer is supported by a thick layer of high-density support foam, which helps reduce motion transfer so you can enjoy an undisturbed night's sleep. This mattress arrives in a box for easy setup. Simply cut away the thick plastic wrap, unroll the mattress and watch it fully expand into place within minutes. Folding power base/box foundation available, sold separately. Product Features 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 Chime - White - California King Mattress - 12-inch 71.0"W x 83.0"D x 12.0"H - 89.0 lb