Material: polyester cloth Features: shading, UV resistance, waterproof Anti-ultraviolet rate: 98% Shape: square, rectangle, triangle Package Included: 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 fabric 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 stain 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 4 * 1800D wind ropes (200cm each) free of charge, carry out firm sewing treatment on each side, use stainless steel D rings on each side, and install them firmly. Please measure the space and choose the right size before buying How to install shade sail ---The sunshade sail has 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 tighten the rope after installation / Buyer experience sharing ---From the opposite corner, assembled a wire rope of appropriate length, with a thimble and a clip at its end, and then fixed it on the eye bolt of the tree with a turnbuckle 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. This product is only waterproof, not completely waterproof, please note, thank you.