EFFECTIVE ANTI-COLLISION: These bird protection window decals can help birds identify glass and reduce bird collisions. You can also attach stickers to the glass door to prevent people and pets from bumping into the glass door.

PRISM design: This prismatic window film bird protection for glass panes catches sunlight and transforms it into a beautiful rainbow in your room. They can be used indoors and outdoors outside the window.

Easy to install: The window glass sticker simply peels off the backing and sticks it with water. No glue required. Removable and reusable if you want to rearrange it, just peel it off and move it.

What you get: 21 pieces of window decals, 13 pieces of flower patterns, 8 pieces of butterfly patterns. These decals vary from approximately 4.6 cm to 12.1 cm.

Area of use: These bird alarm collision decals prevent birds and people from hitting windows, suitable for homes, shops, classrooms, offices and other smooth places.