AUTO ALARM Security Warning Sticker. It will be a clear sticker except in the tinted area. Sold as a pair of 2 pieces in the first image Size: Width 2.2 inches (57 mm) / Height 0.9 inches (22 mm) / Can be attached to the outside of the car or on any flat surface such as glass. It is also attached to the rear glass privacy glass, etc. from the outside of the vehicle, so it is extremely visible. The reverse side is white color. Material: Outdoor weather resistant 3 to 5 years / Transparent PVC / Strong adhesive / Laminated product UV protection for improved durability; Installation Method: degreases the surface with a mild detergent and removes moisture completely. Touch the adhesive surface will cause fingerprints, so we recommend using soap and other cleaning it after washing your hands.