Enjoy your outdoor living spaces and remain cooler by using this Sail with knitted fabric specially designed to breathe. Made of 100% brand new HDPE material to efficiently reduce the temperature under sail by about 50°F (10°C). It can block 97% of harmful sun rays yet remains unaffected by moisture and natural temperature extremes. The best way to expand your outdoor enjoyment without absorbing UV rays that cause serious sunburns. Beautiful decoration and offer a shelter for a backyard, balcony, terrace, patio, porch, pergola, deck, and so on.