1. DURABILITYMade of Oxford fabric, this sail awning high durability and excellent waterproof, tear resistant, sunproof nonfading performance. It features strong rust proof 304 stainless steel D rings at each reinforced corner and comes with long heavy duty durable ropes, strongly guaranteeing the fastness of installation. 2. BLOCKS UV RAYS AND SUNLIGHTThe thick material of our sun shade can block up to 90% of harmful UV rays and direct sunlight. It protects you from the sun without trapping hot air underneath. It provides shade while also being breathable, making you and your loved ones cool and comfortable. Let you enjoy a different summer time. 3. MULTIFUNCTIONPackage includes 1 sunshade sail, large enough to fit for various outdoor activities, such as camping, hiking, beach parties, picnics and more outdoor decor. Curved sun shade sails are sewed with 3 D shaped metal rings on the corners, double sided sewing so that it will not move with the wind. It is windproof to keep outside shade covering in the rainy/snowy/windy day. 4. EASY TO MEASURE AND INSTALLAttach patio sun shade D rings to your structure with the included ropes. Leave an allowance of 1.5 2ft between the fixing point and the shade sail to fit hardwares. It can be stretched tightly. The waterproof shade sail must be installed slightly tilted, 20 40 degree angle and correctly tensioned, so that water does not accumulate.