This box spring offers a durable design that gives you and your mattress extra support. It's made from metal with a firm, stable design made to accommodate 250lbs for the twin size and 500lbs for the full, queen, and king sizes. This box spring also comes with a cotton and polyester blend cover that adds a sophisticated touch that easily blends into your space and complements your mattress. To start using it, simply add your preferred mattress on top and decorate with bright patterned sheets, a comforter, and pillow cases (all items sold separately).