Stickers: Get these adorable Gonk Christmas reusable windows stickers! No marks: Designed never to leave marks (no glue needed). Easy to apply and takedown! Double-sided: The four sheets of patterns are double-sided, meaning you can enjoy from both sides! Material: PVC. Size: Each piece: 20cm x 30cm. | Gonks Christmas Reusable Window Stickers | Wowcher