HIGH QUALITY MATERIAL: The shade sail is made of 100% high quality double layer 160g/m2 polyester. Concave shape and double edges ensure stability and wind resistance. WATERPROOF: Our sails have a waterproof PU coating that guarantees a high level of waterproofness. You can enjoy the fresh air outdoors with your friends even in light rain. It is not recommended to use this product in extreme weather conditions. UV PROTECTION: Our sails are designed to protect you from the sun by blocking up to 95% of harmful UV rays. It will also provide a beautiful shady space for your garden, patio, deck and more. EASY TO INSTALL: Our shade sail has a D-shaped stainless steel ring at each corner for easy installation. Ropes are provided for easy hanging from trees, fences, posts or walls. It is recommended to hang at an angle of at least 20 degrees to allow for drainage. EASY MAINTENANCE: Thanks to its special material, you can easily wipe stains from the canvas with a damp cloth. You can also fold it up and store it in a corner when not in use, the