![Butterfly Window Alert](http://thetweetboutique.com/cdn/shop/files/WAbutfly_200x200_crop_center.jpg?v=1687625630)
![Butterfly Window Alert](http://thetweetboutique.com/cdn/shop/files/WAbutfly2_200x200_crop_center.jpg?v=1687625630)
- Description
Window alert is a static-cling decal that may be applied to windows. The decals contain a component which brilliantly reflects ultraviolet sunlight that is invisible to humans, but glows like a stoplight for birds. Window alert decals help birds to see windows and avoid striking the glass.
Includes four 4" decals