Window stickers are printed vinyl stickers. They are stuck inside but our the view from outside. There are the two sides of a sticker one is sticky side and the other is not sticky. The print is the non-sticky side of the sticker. The window stickers are mostly printed on one of the three materials listed below: Permanent Self-Adhesive Vinyl Material Temporary Self-Adhesive Vinyl Static Cling How Does Permanent Self-Adhesive Vinyl Works? Window stickers that are permanent self-adhesive vinyl are manufactured to be bond with the surface for a longer period of time. Their actual life span depends on the environmental factors but they still can stay for 3-5 years. These types of stickers are recommended when you do not want to change your sticker for a long time. Vinyl is the material that helps to make them survive the harsh weather conditions and works as a shield in heat, cold and rain. Mechanism of the Temporary Self-Adhesive Vinyl and Static Cling: Temporary self-adhe...