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| Canadian milk bag with plastic tag (bread tag) closure |
A bread tag is a device used to close plastic bags (such as the ones sliced bread is commonly packaged in). They are also commonly called bread clips, bread tabs, bread ties, bread crimps, bread-bag clips, or (somewhat less commonly) bread climps. By sealing a bag more securely than tying or folding over its open end, the clip or tie may preserve its contents longer. In some cases, the color of the tag indicates the day on which it was baked.
In Canada, milk is often sold by the bag; the most common format is 4 liters: three 1.33-litre sealed bags packaged in a surrounding bag. This larger bag is closed by a clip identical to a bread clip, and imprinted with the milk's expected expiration date.
