| 摘要 |
A beverage sleeve is configured to provide insulation for a user of a beverage container holding warm or cold beverages. The beverage sleeve encircles a beverage container and provides insulation against heat transferred through the surface of the container. In some embodiments, the sleeve is coated with a layer of thermochromatic ink. When heat is absorbed through the surface of a beverage container, it causes the thermochromatic ink to change its light response, thus causing an advertisement to be displayed on the surface of the sleeve. The designs for these advertisements can be received from a vendor of the product or service advertised. The sleeves are then shipped to venues in which beverages are sold for use with said beverages.
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