Includes king hybrid mattress and adjustable power base Comfort level: firm 2" high-density gel memory foam lumbar support; 2" high-density cushion firm foam; 0.75" high-density base foam 8" power-packed wrapped coil system; 805 individual coils CertiPUR-US certified foam 10-year non-prorated mattress warranty State recycling fee may apply Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening Base has adjustable head Wired remote control includes USB charging Assembly required