The stainless steel vacuum flask has the function of heat preservation and cold preservation. The functions of the ordinary heat preservation cup, heat preservation and cold preservation are relatively poor. The effect of the vacuum heat preservation cup is much better. When hot days, we can use a vacuum flask to load ice water or ice cubes. Let you enjoy the feeling of chilling at any time. In the winter, you can put hot water, so that you can drink hot water at any time.
Stainless steel vacuum flask can be customized according to requirements, and the operation is more flexible and simple. Therefore, more and more people regard stainless steel vacuum flask as a kind of gift, send customers, and make a kind of gift for promotion. Do it on the cup or the lid. Something about your company information or passing blessings. This customized gift is being accepted by more and more people.
1. Add hot water (ice water) first, use preheating or pre-cooling, and the heat preservation effect is better.
2, the mouth width is about 3.5CM, ice and other foods are easy to put in, it is easy and convenient to clean the liner.
3, sling design, easy to carry. (sling style)