... .Note 1. The contents in the vacuum flask may be very hot. Please be very careful when consuming ... . Please do not put dry ice or carbonated drinks, as they may create high-pressure causing injury. ... 4. Please do not except insurance as heat, cold outside for other purposes. 5. Avoid dropping, ... of mugs, there are travel mugs, auto mugs, vacuum flask, coffee mugs , ceramic mugs, spots bottles, coffee ...