These static cling window stickers are designed to prevent birds from hitting glass windows. They are easy to use, leaving no residue when removed. With their wide decoration application, they can be used on various flat surfaces. Not only do they protect birds, but they also add a decorative touch to your home or office. Made of high-quality PVC material, these window decals are the perfect solution to prevent bird strikes and enhance your window decor. Features: 1. SAVE BIRDS: These window decals work as a bird strike deterrent, to stop birds from hitting your transparent glass doors or windows. 2. WIDE DECORATION: These windows cling stickers can be applied to glass doors, patio doors, sliding glass doors, these window decals can stick easily on any flat surface. 3. NO ADHESIVES, NO RESIDUE: Our window stickers are made of high-quality materials, sturdy to attach to the window, and easy to peel off. They all can be removed from windows and won't leave a sticky residue. 4. MORE USE: It can not only be used as anti-collision window sticker for birds but also act as a great window decor for home, office, yoga, etc. 5. EASY TO USE: These decals are static clings, just peel off the transparent backing paper, spray some water on the glass surface, and stick the smooth side of the clings to the glass. Specification: Material: PVC Color: Blue Size: 22 x 30cm Weight: 94g Package Included: 1 x Anti Collision Window Decals for Birds