Vacuum Travel Bottle
A vacuum travel bottle, also called a thermos, is a heat conductor or carrier which enables the flask bottle to keep its contents hotter or cooler than its surroundings. Vacuum travel bottle are commonly used as insulated traveling containers.
The theory of operation of the vacuum travel bottle is just the same as that of vacuum flask. Vacuum travel bottle is made of glass, metal, or plastic with hollow walls. The narrow region between the inner and outer wall of vacuum travel bottle is evacuated of air. Using vacuum as insulator avoids heat transfer by conduction or convection.
Vacuum travel bottle, with streamlined stylish appearance and bright surface, is an exquisite and practical advertising gift to meet modern trends. Vacuum travel bottle is easy-carrying, and the lid can be used as drinking facilitate. Vacuum travel bottle can be used at home, travel and outdoor events. Moreover, the body of vacuum travel bottle can be engraved business logos, slogans, or promotional information as a perfect promotional gift.
Vacuum flask is definitely practical and valuable advertising gift for your business promotions. If you have interests, welcome to contact our sales for more detail information.
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