Holographic strip put on neck sleeves for authentication & protection from pilferage. These shrink sleeve with holograms are preformed to fit a particular container. When heat is applied, the sleeve shrink to fit tight around the lid of the container. These are produced to fit the shape of the container.These shrink sleeves are made to conform to your item, delivering vibrant, full-color sublimation transfers. Shrink sleeves are most commonly used for drinkware like skinny tumblers and water bottles, but you can use them on items like sublimatable vases, too!