Windshield Decals come in a larger variety of material, including - - WindowCling Removable - Vinyl - WindowCling Repositionable - Polyester - Static Cling - Clings onto glass without adhesive - WindowCling Reflective - Engineer grade reflective film - White Laminated Vinyl Permanent - 3 mil white vinyl - TheftGuard Destructible Vinyl - Destructible vinyl designed to break apart - Vinyl Clear - Vinyl White - Reflective Permanent - Engineer grade reflective film with permanent adhesive - Destructible Holographic - Polyester - Destructible Vinyl White - Short Term Sticker (Plastic) Mirror Decals, on the other hand, are available as: - Vinyl Labels - Holographic (Permanent) - Polyester - Metallized Mylar (Permanent) - Polyester with thin metal coat - Destructible Holographic - Polyester - Reflective (Permanent) - Engineer grade reflective film