This sofa bed with mattress has a natural wood frame and metal mechanism that makes it tough and durable. It is covered in velvet fabric, which gives you much-needed comfort and rest. The mattress is in high-density foam and will serve you a relaxed rest. It is suitable for residential as well as commercial use. The sleeper sofa comes with a pull-out bed that includes an innerspring mattress. The mechanism is made from heavy gauge steel giving the bed a 500-pound weight limit. Quality seating construction in the seat cushion will promote lasting comfort and support every time you sit on the furniture.