Twin Size Metal Daybed Frame for Living Room Bedroom, Black uses the supplier-listed furniture details for home setup. Heavy-duty metal slats helps provide sturdy and durable structure 6 sturdy support legs take the stability to a higher level Non-slip foot pads protect the floor from scratches. Listed materials include Metal. Listed dimensions are 77.5" x 40.5" x 29" (L x W x H) Height of Under Bed Space 11" Recommended Mattress Size Twin(not included). Supplier-listed capacity detail is 480 lbs. Listed weight detail is 37.5 lbs. Key listed specifications include material: Metal dimensions: 77.5" x 40.5" x 29" (L x W x H) Height of Under Bed Space 11" Recommended Mattress Size Twin(not included) capacity: 480 lbs weight: 37.5 lbs.