Featuring Thermos’ vacuum insulation technology, this flask keeps your food hot for 9 hours or cold for 14 hours. With a sturdy stainless-steel interior and exterior, this Thermos Flask is cool to the ...

This vessel consists of glass flasks fitted one inside the other and sealed at the neck with a partial vacuum between them. The central flask is therefore insulated ... for industrial use in 1904 by ...

Fluid in the stainless steel bottle is guaranteed to stay at a temperature of 10 degrees or lower for six hours owing to the vacuum-insulated structure. Thermos released its first soda canteen in ...