HIGH QUALITY: Made of high quality polyester and PU coated, healthier and safer. It is resistant to light, tear, water, dust, mold and dirt. Can be cleaned with mild detergent and water or machine washed at 30.STURDY AND SECURE: All edges are sewn with quality tapes for added stability; The thickened corners are reinforced with multiple stitches. The shade sail has a concave shape that makes it super stable and distributes tension evenly so the fabric lies flat and won't sag or take it with you on a camping trip, a picnic, a vacation at the beach or the nearest park. This effectively reduces heat in your outdoor living spaces.EASY TO INSTALL: Grade 304 stainless steel D-rings on each corner; Each shade sail is equipped with a rope of approximately 1.7 meters per corner. The sails are easy to set up and take down by simply tying to existing structure or trees with the included rope, perfect for creating temporary shade.