Our Halloween window decorations include 6 sheet Halloween monster design window clings. These window clings decorations are used with no glue, are easy to peel off, and are reusable. Once these clings for windows are in place, use a firm card to force out any trapped air by sliding from the center to the edges. Perfect for clean, flat surfaces of mirrors, glass windows, glass doors, ceramic tiles, household appliances, or other smooth surfaces suitable for these window stickers. Waterproof and removable but repositionable wall art sticker, you just need to get new adhesive Four-sided to place on the back of these windows clings for glass windows again. Item #: 14883