Includes king hybrid mattress and king foundation (2 risers) Mattress comfort level: medium Mattress with high-density gel memory foam lumbar support; high-density quilt foam; individual power packed wrapped coils; 2 perimeter rows of 9" 13-gauge pocketed coils for edge-to-edge support State recycling fee may apply Mattress has 10-year non-prorated warranty Foundation includes metal frame, metal inside supports, slats, removable cover and hardware; rounded corners for safety Assembly required