High Quality Material: Thanks to 420D high density fabric (PES), Waterproof Shade Sail (160g/ is more wear-resistant, tear-resistant, corrosion-resistant but it can provide the right sun protection by effectively blocking 98% of ultraviolet rays Advanced Technology: HAIKUS is committed to providing top quality shade sail, it attaches great importance to every procedure, every edge of the product contains two layers of webbing (2.5cm, 18g/m) to prevent the product from tearing, its stainless steel D-ring and four curb lines in each corner make the installation more solid Stable Construction: Arch edging, stainless steel D-rings, fixing ropes, four-layer twill webbing reinforcement as well as double fabrics between rings and shade sail, which help increase the stability of the shade sail. shading during use and its lifetime Easy to Install: You can easily install the shade sail with fixing ropes. We advise that the installation angle of 20 to 40 degrees serves well to obtain maximum tension for the shade sail, contributing to its waterproofing. Ideal for patio, balcony, garden, swimming pool, camping, lawn, parking lot or other outdoor areas High density fabric (PES) in 420D can provide good sun protection by effectively blocking 98% of ultraviolet rays. Waterproof Shade Sail ( 160g/) is excellently water resistant. Each edge of the product contains two layers of webbing ( 2.5cm, 18g /m) to prevent the product from tearing. The stainless steel D-ring as well as double fabrics between rings and shade sail in each corner make the installation more solid. Layered twill webbing reinforcement and corded threads help increase the stability of the shade sail during use and its lifespan.