Original 10-inch Certi-Pur Certified Memory Foam Mattress by Dream Bed, Cal King 10-inch mattress with a woven cover contains: 1.5-inch latex, 1.5-inch memory foam, and 7-inch support foam; medium-soft feel Compatible with most box springs, any adjustable bed base, and platform or bunky boards Foam layers are Certi-Pur certified: contains certified flexible polyurethane foam Mattress in a box: shipped in a 20 inch by 40.1 inch by 20 inch box; Cal King-size dimensions: 10 inch H x 72 inch W x 84 inch D 180 day trial period plus 10 Year Full Warranty - and for every Dream Bed sold, we will give a bed to a person in need