Product is best used for Helmets but can be used on other places to. It is self adhesive so it can easily be applied on flat surfaces. It is made of hi quality, waterproof, flexible material. The items are coated in rubber. Rubber coating is a thick layer (2-3mm) of transperet rubber (Polyurethane resin) that siginficantly adds to product protection and durability. Size of the single item is 60x45mm. You can also order custom sized items. All of our wheel stickers are made in European union.