1, the cold cup can hold hot water.
2, because their principle is the same, the cold thermos cup is also a kind of thermos cup
1, the cold cup can hold hot water.
2, because their principle is the same, the cold thermos cup is also a kind of thermos cup, but the thermos cup generally has a cup cover (sealed cup body for insulation) as a cup, which is convenient for drinking and will not burn. Cold-keeping cups are designed for direct drinking, of course, their heat preservation effect is the same. Note: Don't put too hot water in the cold cup, because if you are careless, you will burn yourself if you drink it directly.