Fine design: suitable cycle, beautiful color Comfortable touch: unique yarn and technology makes the fabric having the soft touch. Eco-friendly: passed the test of EPA, protecting your health well. No warping, no light leakage Precision weaving with high-precision yarn; ultra-thin and soft, high definition, more high-grade, more durable. With many years of production experience, Groupeve can effectively avoid weft arc and skew.Strict quality control to ensure that the fabric utilization rate is greater than 95% without waste. Factory direct selling price, no distributor earns the price difference. With 20 years experience for sunshade products has professionally served 82 countries clients worldwide. With 10 years quality warranty to ensure continuous cooperation. Free samples with 650 kinds of fabric to meet regional market needs. No MOQ for most of items, fast delivery for customized items.[Material] Roller blinds crafted from 100% polyester fabric, waterproof，anti-static, dust-proof, no special care required. You can wipe it by using a small wet cloth or a feather duster. [Blackout] The blackout shades can balance the temperature, protect your privacy. Thick and sturdy texture fabric do well in noise-reducing, is beneficial for deeper and longer sleepers [Inside mount] The depth of the window frame needs to be greater than 5 cm. Blind width needs to be at least 1 cm less than the window width. [Outside mount] Blind width needs to be 10 cm wider than the window width. Blind length needs to be 8" longer than window length, to cover the entire window.