Protect birds from accidental window collisions with these effective window stickers from Qdyzpp. This comprehensive set includes 52 pieces that can be strategically placed on your windows to help prevent bird strikes. The stickers create a visual deterrent that birds can notice while remaining subtle enough to maintain your view. Easy to apply and position, these window markers help reduce the risk of birds flying into your windows by breaking up reflective surfaces. Perfect for homes, offices, or any building with large windows where bird collisions are a concern. The set provides enough stickers to cover multiple windows, giving you flexibility in protecting different areas of your property. These practical window stickers offer a simple solution to help safeguard our feathered friends while maintaining the aesthetic appeal of your windows. Package Content: You will receive 52 pieces of multicolored window decals to prevent bird strikes. 4 sizes are available: 11.5cm/4.53in, 8cm/3.15in, 6cm/2.37in and 4cm/1.58in respectively. Sufficient quantity can meet your daily needs. Premium Material: These round anti collision window stickers are made of great nonstick PVC material with durability. Adsorbed on the glass surface through electrostatic attraction, no glue required and easy to stick on glass. Colorful Prism Pattern: The anti collision window clings will become multicolored in the sun, which can draw birds' attention and effectively prevent them from strikes. Beautiful colorful prism patterns will bring you a good mood when seeing. Easy to Use: Remove the window decals from plastic film, wipe off glass window, spray some water on it, lastly paste window decals on window. Easy to paste and remove. Can be reused for many times. Practical: These colorful anti collision window decals for birds can help wild birds identify glass and protect them against strikes on transparent glass windows or doors.