Includes California king mattress and adjustable base Comfort level: luxury firm Mattress with memory foam; transition foam; firm support foam; dual ventilation technology; micro cool technology cover; infused with charcoal and green tea extract for a refreshing and invigorating sleep experience Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening State recycling fee may apply Mattress with 10-year non-prorated warranty Base with adjustable head and foot; wireless backlight remote control; 2 USB ports; steel frame; 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 Assembly required