The double wall SS vaccum tumbler has the function of heat preservation and cold protection, and the length of holding time depends on the structure of the cup and the thickness of the bottle material.
1, before using a small amount of boiling water (or ice water) preheating or pre cooling 1 minutes, insulation, cold effect will be better.
2, the hot water or cold water into the bottle, be sure to close the bottle plug, so as not to leak water, causing burns.
3, please do not put in place near the fire, so as not to deform.
4, please do not put them in the child's place, be careful not to play with children, there will be the risk of scalding.
5, when put hot drinks in the cup, please be careful scald.
We can also supply the high quality plastic water bottle, travel mug etc. If you need, welcome to contact us.