Double-sided pattern: The unique double-sided printing design allows you to clearly see the colorful Halloween pattern from outside and inside the window. Reusable: Halloween window stickers are made of reusable PVC material, can be easy to peel and stick, move and reuse as you like, no marks on the glass after peeling off. EASY TO USE: First spray a little water on the window and then carefully apply the sticker on the window . It automatically sticks to the window. If you see air bubbles between the sticker and the window, simply use a cardboard scraper to gently scrape them down to remove the air. Occasion: Adorable window stickers will make your windows look great this Halloween ! Perfect for home decor, Halloween parties, children's playgrounds, etc. Package includes: 9 Halloween decoration stickers, each 21 x 29.5cm, about A4 paper size.