In direct lights at night.Installation Steps 1. Peel off the backing paper.2. Stick to glass.3. Smooth it with a squeegee. Holographic Window Decals for Bird Strikes - Glass Reinder Anti... When there is direct sunlight or light hits, it will reflect a dazzling holographic effect and shine like a diamond from outside view. Birds won’t see glass, these stickers can reflect light to help birds notice the glass, stop birds from hitting windows & sliding doors, and save your beautiful feathered friends. Easy Installation – These stickers are self-adhesive. These can not only be used as a bird strike decal, but also act as a great home décor for your windows & glass doors. Easy Installation: These stickers are self-adhesive. Before installation, make sure your glass surface is clean/dry and free of any tinting, film, coating and other ornaments. It is recommended to apply outside. In direct sun light. Each pack contains 28 bird stickers in 14 shapes. If there is no direct light the sticker will be clear. Check out fan-adored items like our Harry Potter Slytherin Pleated Suspender Skirt or our Harry Potter Slytherin House Red Tie-Dye Hoodie . Want to take your Slytherin cosplay up a size These can not only be used as a bird strike decal, but also act as a great home décor for your windows and glass doors. Flower Anti-Collision Window Clings - Glass Reminder Prism Before installation, make sure your glass surface is clean and dry and free of any tinting, film, coating and other ornaments. Holographic Laminate Sheets Bee Window Clings For Bird Strikes - Anti-Collision Stickers - Glass Window Decal
