Dimensions: Width: 119cm Length: 196cm Height: 3,5cm Width of rails: 3,8cm Interval between rails: 2cm Additional information: The TWIN Flex Duo frame has resilient rails made of birch plywood, which are glued layered. Thanks of interval between rails the frame is suitable for every kind of mattress. Possibility are bought speciall caps, who are responsible for regulation hardness in lumbar part. Pictures :