Roof structure design 1.The roof structure design ensures the stability of the product structure. 2. The roof structure is suitable for DIY design, including light strips, mosquito nets, and fun decorations Accessibility entrance and exit design 1.For ease of entry and exit and to avoid collisions, it also increases the activity space. 2.Safe activity space within the bed Space for placing a super-thick mattress 1.Enhance comfort, ensure stable load-bearing, and be safe and comfortable. Product Information Product Type House Frame Floor Bed Size Twin Material (main) Pine+Plywood Overall Product Dimension 77.01'' x 44.77'' x 66.11'' Package number 1 Package Contents: 1 x Bed, 1 x Accessory Kit 1 x Instructions