Features:In winter， the window film can reduce the interior heat to keep warm.Protect your furniture， household appliances， such as computers， stereos， televisions， furniture and so on.Has a good effect of single vision， protect your privacy.Fix debris for harm reduction.Provide excellent heat rejection with a stylish and classic appearance. Specifications:Color: GrayMaterial: PETThickness: 2milHeat Insulation Rate: 62% Ultraviolet Rejection: 99%Sheet Size: 0.5 * 3m / 1.64 * 9.84ft (L * W)Weight: 181g / 6.37ozPackage List:1 * Window Film