mainstay.. metal arm futon with 6" mattress, (1, black) mainstay the mainstays black metal arm futon frame with 6" mattress offers the best of both worlds; it has a stylish, contemporary design and brings functionality to any room in your home. this metal futon comes with retainer clips to prevent the mattress from sliding, along with retainer covers as a decorative touch. it doubles as a comfortable bed when extra sleeping space is needed by converting quickly and easily from sofa to full size sleeper. mainstays black metal arm futon with 6" mattress, multiple color: gray new and improved: mattress retainer clip covers now included contemporary design sturdy metal frame polyester mattress cover use as a bed or as extra seating quickly converts to a full size sleeper mattresses available in black, gray, red, blue great for apartments, guest rooms and living rooms includes mattress retainer clips to prevent slippage simple assembly futon dimensions: 77"l x 35"w x 34"h sleeping dimensions: 73"l x 52.5"w x 15"h carton dimensions: 40"l x 28"w x 24"h weight limit: 600 lbs