Collisions with windows is one of the major causes of death in our garden birds. Help prevent window stike with these Window Alerts - decorative leaf-shaped or butterfly shaped decals that cling to any glass surface by natural static. They reflect the ultraviolet light that humans cannot see, creating a brightly-glowing warning that’s clearly visible to birds. No adhesive or special fixing required. Each pack contains four decals.
Available as leaf shape or butterfly shape decals