Sections of tube made of stretchable or shrinkable plastic film. There are stretch sleeves and shrink sleeves. The plastic film can be printed on the outside or, in the case of transparent films, on the inside. The film portion is then placed over the body of the bottle. If the tube is first stretched (stretch sleeves) or shrunk using heat from hot air or steam (shrink sleeves), at the end of the process the film clings firmly to the body of the bottle.

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