These are vacuum flasks (commonly known as thermoses), which are used to maintain the temperature of beverages like tea, coffee, or water.
Product Features
The items shown share several key characteristics common to this style of insulated container:
Insulation: These flasks typically feature a double-wall vacuum design, often with a glass inner liner, to keep liquids hot or cold for extended periods (often 12–14 hours).
Design: The exterior has a distinctive woven or rattan-like texture made from durable polypropylene (PP) plastic.
Portability: They are equipped with a sturdy carrying handle and a screw-on cap that often doubles as a drinking cup.
Capacity: Similar models are available in various sizes, commonly ranging from 1 liter to 3.2 liters.