1.The Shed is made of High-Density Polyethylene (HDPE), which is UV Resistant and has a long life. 2.Easy to assemble. 3.The product Length can be expanded freely 4.The walls will not rust, fade, dent, mildew or peel. 5.High-Pitched Roof allows for quick drainage of rain and snow 6.Full-Length Ridge Skylight and openable window, ensure inside ventilation and natural Lighting effect 7.All stainless screws 8.Slip-Resistant Floor with Roto-molding production technique , durable and strong. 9.Multiple locks options, easy to management 10.3-Year Warranty