1. The back comes with double-sided adhesive, with a self-adhesive design for non-destructive installation. 2. Before installation, please clean the surface of the area and keep it clean. 3. Heat the tape slightly with a hair dryer and press firmly on the edges to ensure firm adhesion. ProductSiteLaunchDate : 2019-09-19T18:31:24.891Z RecommendedUsesForProduct : Car Reusability : Single Use Size : 8 Pieces Style : With Etching SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Door Theme : Automobile UnitCount : 4 UnspscCode : 25172600 WarrantyDescription : 1 WaterResistanceLevel : water_resistant