Bird hitting window stickers can prevent birds from attacking . Suitable for home and office and glass doors. The decal can break down the reflections on the glass and remind the birds to from the . Made of Static stickers, it can catch sunlight and turn it into a stunning rainbow in the room. We only use high-quality vinyl! Bird style.Has 4 sheets,There are 48 pcs in total. Electrostatic adsorption on the window, no need to glue, can be moved, can be reused. --Important Reminder: The protective film must be removed before pasting the window, otherwise the adsorption film will fall off if the water dries. Recommended :Window Using steps: 1. Clean the window first. 2. a mist of water on the glass. 3. Peel the anti-collision window cling from the Electrostatic film backing and place it on the window in any design you like. Material:Static stickers colour:As shown Package Contents: 1 set x Bird static window stickers (4 sheets) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.