Quictent 10'x15' Rectangle Square Sand Sun Sail Shade Canopy Top Cover Outdoor Patio, 98% Uv-blocked W/free Bag- Sand Constructed of Heavy Duty (185GSM) and Breathable polyethylene fabric,portable,washable,mildew and mold free. Ultra-Violet Protection: More than 98% of UV Rays Blocked,the amount of protection greatly reduces the exposure of UV rays which can lead to skin cancer. Optimum Ventilation: The unique fabric design allows cool air to penetrate the shade sail providing an airy, comfortable, and well-ventilated space. Lightweight,perfect for garden, entrance, patio and yards... can be used for both residential and commercial applications. Includes:10'x15' Rectangle SAND Shade Sail, tension mounted steel D-rings double stitched into the corners, 4 PE ropes, 1 Carrying Bag