Halloween Window Clings, Skull Ghost Bat Spider Web Vinyl Window Decals for HomeFeatures: -- Won't leave a mark on your wall like other cheap sticker, no residue. -- A nice birthday gift for your family and friends. -- These bloody stickers will be a huge hit at your Halloween party!Specification:Material: PVC Color: White Style: Classic Size: Each sheet: 35cm25cm/13.8"9.8"Instructions: 1, Clean the surface before the sticking wall decals. Ensure the surface is smooth, clean and dry. 2, Then sprinkle some water toward that area. And stick decal slowly and firmly from the top to the bottom. 3, Finally, scrape the decal with scraper to squeeze out water and air.4, Ensure that the entire decal make contact with the window and that no air bubbles are trapped beneath the decal.Package Included 4Pcs x Wall StickerPromise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.