Material: 160g/m2 double-layer polyester shade sail.Concave and double edge ensure stability and wind resistance. Waterproof: Our sails have a waterproof PU coating which can guarantee a high level of waterproofness.Even in light rain, you can enjoy the fresh air outdoors with your friends.Use of this product in extreme weather conditions is not recommended. 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 shaded space for your garden, yard, terrace, etc. Easy to install: Our shade sails have a D-shaped stainless steel ring on each corner for easy installation.Ropes are provided for easy hanging from trees, fences, posts or walls.It is recommended to hang at a tilt of at least 20 degrees to drain water. Easy to maintain: Thanks to its special material, you can easily wipe off stains on the canvas with a damp cloth.You can also fold it and store it in a corner, when not in use,