Includes hybrid California king mattress and California king adjustable base Mattress comfort level: plush Mattress with 3" high-density gel memory foam lumbar support; 3" high-density cushion plush foam; 0.75" high-density base foam Mattress features 8" power packed wrapped coil system; 720 individual power packed wrapped coils State recycling fee may apply Mattress has 10-year limited warranty Base with all steel frame; quick setup; low-profile, foldable design; adjustable legs Adjustable legs allow full height to zero clearance. Compatible with most bed frames; be sure to check your frame's dimensions and weight capacities Base features adjustable head and foot; wireless backlight remote control; 2 USB power ports Base has 3-year non-prorated warranty Assembly required