The history of wine glass thermoses is not well-documented, but the concept of keeping drinks at a consistent temperature dates back centuries. In ancient times, people used various methods to keep drinks cold, such as storing them in underground cellars or wrapping them in wet cloths to take advantage of evaporative cooling. Similarly, hot drinks were kept warm by storing them in insulated containers made from materials such as ceramic or metal.
The modern concept of the wine glass thermos likely emerged in the late 19th or early 20th century, when vacuum flasks were invented. These flasks used a double-walled design with a vacuum-sealed gap to prevent heat transfer, keeping drinks hot or cold for extended periods of time. While early vacuum flasks were primarily made from metal or glass, the use of plastic and other materials expanded their popularity and versatility.
Over time, wine glass thermoses became increasingly specialized for specific beverages. Wine tumblers with insulated double walls, for example, became popular in the 21st century, allowing wine drinkers to enjoy their wine at the ideal temperature without having to worry about the glass warming up in their hand.
Today, wine glass thermoses are a popular and practical item for wine lovers and anyone looking to keep their drinks at a consistent temperature. They are available in a wide range of styles, materials, and designs, and can be customized to suit individual preferences and needs.