About this item Waterproof : Our shade sail is made of 300D Oxford fabric with PU Waterproof coating,does not allow water/wind to go through.(the sail needs to be stretched tightly enough to make a taut, flat surface for water to slide down.) Sun Protection&UV Blockage : The sun shade sail Blocks up to 95% of harmful UV and protect from direct sunlight exposure yet remains totally unaffected by temperature extremes,keep you cooler and more comfortable in hot weather,suitable for all seasons. Durability : Made of 300D Oxford fabric, this sail awning offers high durability and excellent waterproof,tear-resistant,sunproof &non-fading performance. They feature strong rust proof 304 stainless steel D-rings at each reinforced corner and comes with long heavy duty durable ropes,strongly guarantee the fastness of installation. Easy to Measure&Install : Attach 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.With curved design, 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. Ideal Shade Solutions : Widely used in courtyards, patio,lawns, gardens, terraces, swimming pools, ponds, decks, Kailiard, courtyards, backyards, courtyards, parks, garages, awnings, sandboxes, porch, pergola,driveways or other outdoor areas. It can provide effective waterproof & sunshade to keep your yard private, safe, cool and beautiful at all times.