Includes hybrid mattress and mattress riser Comfort level: firm 2" high-density gel memory foam lumbar support, 2" high-density cushion firm foam and 0.75" high-density base foam 8" power packed wrapped coil system Mattress includes 10-year non-prorated warranty, CertiPUR-US certified Base with sturdy metal frame Sets up quickly; no tools needed Soft, rounded edges on all 4 corners Headboard brackets included 12 support legs for increased support and weight distribution State recycling fee may apply Assembly required