Size:Queen The Structure of metal bed frame is more sturdy than others. High quality bed slats guarantee stability and durability,supporting the mattress and prevent it from moving or sinking for long-lasting service life.Three Holes is special design for your demand. We are devoted to making a suitable bed frame no noise no shaking and provide a good sleep for you, enjoying your time on our bed frame is our pursuit always. Detail Installation:Tighten the screws to 80% during the primary installation.When the outer structure is finished, you can tighten all the screws.Tools included &2 people required. Storage:13.8 inch high under the bed frame(from top to floor) with sufficient clearance allows adequate space for storage. No-slip Design:The design encloses the mattress to prevent slipping. Foot pads are added to avoid noise and protect floor. Package:Minimized the package for easy to carry up.Reinforced package prevents it from transportation damage. Produce Dimension Twin Size: :L75.2*W39*H13.8'' for Mattress Size L75"×W39". Full Size:L75.2*W53.9*H13.8' for Mattress Size L75"×W54". Queen Size: L75.2*W53.9*H13.8'' for Mattress Size L80"×W60".