Optimize your space with the modern design and functionality of the bed frame. This product can be swiftly converted from a twin-size bed to a king-size bed. Its strong wooden frame is finished in a warm walnut brown for a look that complements any color palette. The open design on the side panels lends a light, airy feel that enhances smaller spaces. Assembly is required a box spring isn’t needed, as the bed frame comes with internal slats for mattress support. Whether lounging during the day or hosting overnight guests, the bed frame is sure to provide comfort and style for years to come. "Dimensions: 20.2"" high x 79.1"" wide x 41.1"" deep; Max Mattress Height of Lower Platform Frame: 6"" High; Extended Dimensions: 20.2"" high x 79.1"" wide x 82.1"" deep; Legs: 10.1"" high; Internal size(not extended): 39"" x 76"";"