Blackout roller shades window blinds with valance cover are made of 100% polyester fiber and have an enhanced thermal insulation coating, waterproof and UV resistant, and easy to clean. The top of the pull-down shade is covered by aluminum which prevents the interior from damage and dust. We know the importance of privacy in daily life, so blackout roller shades are an important element in life. With 100% shading, we are the best choice in terms of privacy protection.