Soft & Comfortable: 51.2" high king bed frame conforms to the curves of the body, providing proper support and reducing body fatigue. Minimalist Style: Rich frabic covers the upholstered bed frame king, easy to clean. The classic curved wingback perfectly matches a variety of bedroom styles. Stable Structure: Solid wood legs and wooden slats provide strong support. (No Box Spring Needed). King size bed frame recommended Mattress: 8"-16".(MATTRESS NOT INCLUDED) Noiseless Sleep: Bed slats are secured with equidistant velcro, add EVA silent bar which can prevent frictional creaks between wooden slats and metal frames, letting you get quality sleep. Easy to Assemble: According to the user manual, it can be assembled by two people in approximately 30 minutes. NOTE: Do not fully tighten all hardware until the entire assembly is complete!