These anti-collision window clings are good to and people strikes from hitting windows, practical tools in daily life Quantity enough to satisfy your different daily decorative use and replacement. Features -Color:As Shown -Material:PVC - Size: 30.00X21.10X0.10cm/11.79X8.29X0.04in -Note: The transparent backing film must be torn off before attaching the window, and the smooth side must be attached to the window. Be sure to some water on the glass, otherwise it will not stick firmly. -Each anti-crash window sticker provides a vibrant design for your window decoration. -Each window cling features special material to reflect sunlight and serve as a glowing warning sign for . -These window stickers are made of safe materials. Perfect for use on glass breaks at home. -You can remove these window stickers at any time and they won't leave any residue on the glass. -Wide range of application: can be attached to the glass panel, porch door or balcony, to meet your different needs. Package list: 4 x Anti-Collision Window Clings