This Perel shade sail GSS3500TA, with a triangular surface of 10.8 m², is a versatile, cost-effective sunshade solution. Made of 160 g/m² polyester with PA coating, this shade sail is water repellent and breathable. It provides 90% protection from harmful UV rays and looks great in most outdoor areas. It is ideal for covering pools, patio areas, and spas. Note: Please take down the sail in high winds or when it is raining or snowing.