NATURAL BEAUTY, QUALITY DESIGN - Natural wood grain detail meets impressive structure in this solid wood foundation in an antique espresso finish that is every bit as remarkable as its clean-lined, durable framework NO BOX SPRING NEEDED - Reliable and closely spaced wood slats are designed to support and extend the life of your latex, memory foam or spring mattress without the need for a box spring DURABLE DESIGN - A thick and sturdy solid wood frame is constructed with steel interior framework for longevity; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs