Large Size Butterfly Anti-Collision Window Clings Translucent/Dusted Alert Bird Clings Stickers Window Decals Prevent Bird Strikes on Doors and Windows Glass Decor (20 Pieces)

20 Pieces butterfly anti-collision window clings translucent/ dusted alert bird clings stickers window decals prevent bird strikes on doors and windows glass decor Wide application: Stick these anti-collision window stickers on glass panels, verandah doors or bay windows, decor windows and glass doors. Feature: The vinyl butterfly decals can reflect ultraviolet sunlight as glowing warning sign for birds but as frosted or etched glass to humans. How to use: Step 1: clean the window with a duster. Step 2: spray a mist of water on the glass. Step 3: peel the anti-collision window cling from the vinyl backing and place it on the window in any design you like. Step 4: remove the bubbles. Specifications: Colors: translucent/ dusted Size: about 5.91 x 5.91 inches/ 15 x 15 cm 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.