Dual piston system, accommodates standard Full mattresses (8-10" thick, 60-90 lb, 54 x 75"), 1000 LB capacity with mattress, 86.8" open bed extension, 2 fixed shelves + 3 adjustable/removable shelves, 2 clothing rods, 3 drawers, 2 doors, brushed nickel handles, 10 Year Manufacturer's Warranty.