Brand new 3D (domed) stickers made of flexible polyurethane resin. No epoxy resin, no yellowing! Water proof and UV-light resistance . 5-8 years guaranteed depending on the environment in which they are placed. To be stuck on a smooth and clean surface (metal, plastic, wood, glass,aluminum) Clean up well the surface that you will stick with a wet cloth or if necessary (grease, oil stains) with medicinal alcohol. Applicable on flat or slightly curved surfaces, but not angled, conical or spherical