Instantly makeover your interior walls! This Omar D. Blair Charter School Denver wall poster requires no nails, glue, or tape. Made with durable non PVC vinyl and low-tack adhesive that can be moved and reused without any damage to your walls. Wall Skins are designed for interior use and will stick to painted drywall, glass, metal, and sanded wood. Wall Skins are not recommended for textured walls, wallpaper, brick or cinder block, paneling, or outdoors.