4 SHEETS MOON WINDOW STICKERS: Include 4 sheets star and moon theme window stickers, which reflect the colors of the rainbow in sunlight. NO GLUE STICKERS: Static car window stickers are applied by electrostatic means without any glue or adhesive. Just lightly spray water to paste, leaving no traces, easy to remove, can be reused many times! PROTECT BIRDS: The unique moon rainbow glass prism effectively reflects sunlight and prevents birds from striking the glass. Size is about 11.8x8.66 inch(30x22cm). EASY TO USE: Window stickers can be applied to glass doors and windows, but make sure the glass surface is smooth and clean. You must peel off the backing film before sticking the window, then spray water to wet it, otherwise the window sticker will come off after the water dries. WIDE APPLICATION: The star window sticker can effectively prevent birds from hitting it, and it can also be used as home decoration, refracting colorful sunlight. Suitable for decorating kitchen, dining room, living room, living room and so on.