Material: Polyester cloth Features: shading, anti-ultraviolet, waterproof Anti-ultraviolet rate: 98% Shape: Square Package includes: shade sail + wind rope feature: 100% brand new: unused, beautifully packaged. Wide range of applications: as a cool shape, used in gardens, courtyards, balconies, parking lots, beaches, picnics, etc. Waterproof: waterproof PU polyester fabric, waterproof index up to 2000. 98% UV protection: Bring you cool shades in the hot summer. Arc design: The artistic design of the arc design makes the product smoother, more stressed and beautiful during installation. Easy to clean and maintain: washable, durable and environmentally friendly materials. Durable: high-quality materials, superb craftsmanship. All packaging is intact: easy-to-use packaging, easy to store when not in use. 1. High quality It is made of 100% brand new 300D polyester fiber and does not use recycled materials, so it is healthier and safer. 2. Waterproof It is made of high-quality polyester material, which is healthier and safer. It has anti-fading, waterproof, anti-mildew, anti-mildew and anti-dirt effects, including three eyes. 3.D ring The stainless steel D-ring is the basic component of the sunshade sail. It is durable and can extend the life of the sunshade sail. Provide free 4 * 1800D wind rope (200cm each), each side is firmly sewn, and each side stainless steel D-ring is firmly fixed. Please measure the space and choose the right size before buying How to install shade sails ---The sunshade sail has a D-ring and wind rope, allowing you to easily connect houses/trees/other buildings. ---If you want to strengthen the fixation, you can buy a set of hardware from our store. ---How to tie the rope after installation/purchase experience sharing ---Starting from the opposite corner, use a thimble and a clip at one end to assemble a wire rope of appropriate length, and then use a turnbuckle to fix it on the eye bolt of the tree to tighten the span. Once the four anchor points are established and installed, the shade sail can be installed, and I can tighten all four anchor points to get the required tension.