Waterproof and UV-proof The overall fabric is made of waterproof and UV-proof polyester fabric. All four corners are waterproof and glued. Even when it rains, there is no need to worry about rain and water leakage Adjustable Bracket Telescopic bracket can adjust the height to cope with different terrains. You need to tighten the aluminum alloy tubes on both sides of the Black Trim to lock them. Clockwise on the top and counterclockwise on the bottom. Do Not twist the black trim QUICK INSTALL The roof frame and support poles are telescopic structures with twist locks for quick and easy installation and retraction in 1 minute Accessories Equipped with 2 wind ropes; 2 L-shaped brackets and back plates; 2 L-shaped ground nails; 2 wrenches and some bolts and nuts.