Includes king hybrid mattress and foundation Comfort level: medium High-density gel memory foam lumbar support High-density quilt foam 1" upholstery grade comfort support foam with 2 perimeter rows of 9" 13-gauge pocketed coils Individual power packed wrapped coils 10-year non-prorated warranty Foundation made of metal Headboard brackets included; assembly required State recycling fee may apply Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening