These special decals are static cling, one way vision window sticker decals that feature a life sized character head. For use on automobiles, they are placed on the exterior of the driver's rear window and are durable, uv and water resistant. Diy installation is a snap. They allow views through the decal while blocking out sunlight similar to the diffusion of sunlight of a sunshade. Window clings should be applied to exterior rear window only to prevent obstructed views. Use of this window cling on windshield or front window is prohibited. Design orientation is intended for driver's side rear window only.