bao shen fu shi Soft and comfortable handing feeling. Made from 100% polyester Has 9 holes to which rings attach. Fitted with rustproof stainless steel curtain hooks & rings Non-toxic, tasteless, excluding volatile chemical composition. Non coating shading cloth Sound insulation, heat insulation, dust collection. Accept dry cleaning, washing and so on Shading coefficient:80%--90%. Prevent ultraviolet damage to human body