20 Pieces Hummingbird Shape AntiCollision Window Clings Alert Bird Window Stickers Window Decals Decoration to Prevent People and Bird Strikes on Window Glass

20 Pieces hummingbird shape anti-collision window clings alert bird window stickers window decals decoration to prevent people and bird strikes on window glass Wide application: You can stick them on glass panels, veranda doors or bay windows, decorate windows and glass doors. Features: The holographic anti-collision window decals are designed for bird safely, protect birds from striking windows and glass. Specifications: Colors: as pictures shown Size: approx. 15 x 15 cm/ 5.91 x 5.91 inch Quantity: 20 pieces Material: self-adhesive vinyl Package includes: 20 x Window clings Note: When you attach the window clings to the glass, make sure that the distance between them is not more than 6 inches, so as to maximize the effectiveness of preventing birds strike on windows.