Sun sail shades are ideal for gardens, entryways, children"s play area, patios and pools. Constructed of high density polyethylene weave fabric, it blocks 95% of the sun"s dangerous UV rays while "breathing" to allow air to circulate and keep the environment underneath much cooler. With its breathable design it will also allow water to filter through. It is color fast and won"t rot, mildew or mold. Shade Sails can be easily attached with its corner D-Ring. Assembled size is 11 feet 5 inches each side