Number of pieces：9 Sheets Product Dimensions：30.5 x 20.5 x 1cm Item Weight：150 Grams Features：Christmas window stickers are PVC material that easily adheres to static electricity and is odorless,Very suitable for shop windows, offices, restaurants and home accessories to create a unique Halloween atmosphere.They can also be used on glass doors, refrigerator doors, mirrors or other smooth surfaces. How to use: Spray some water on the glass, it sits tighter 1.Wipe the window or wall clean before applying the stickers. Make sure they're dust-free. 2.Glue one side first, then slowly press with your hands to the other side. Otherwise, the air enters the gap between stickers and windows, leaving small air bubbles. 3. Smooth the stickers to make sure they don't crease.