Strong Reflective Effect - This reflective sticker is made of diamond grade reflective epoxy material, with enhanced thickness, giving you a 3D effect, waterproof, durable, high viscosity, strong and will not degummed, and it can be used all day. Good Reflection Effect - This reflective sticker uses micro prism technology, high reflective brightness, can reflect any light source, it is like a "luminous body", and emits a strong reflective effect, which can improve the night reflective effect. Universal fitment: Warming stickers are suitable for all size vehicles,such as cars, SUVs, motocycles, bicycles and so on. Though it is auto door warming stickers, you can cover it to other clear places of your vehicle to improve traffic safety. Improve Safety - The lights of vehicles at night can make these stickers more clearly visible in the dark, and if the car door Open the target can be found 300 meters away, and drivers of approaching vehicles can be warned and more vigilant. Greatly protect your night travel. Easy Installation: 1.Make sure where you want to paste these before sticking. 2. Clean dust or residue of target position with water, then wait it dry. 3. Peel the protective film off at its back and stick. 4.Press down a few minutes to remove bubbles for better adhesive.