The stainless steel heat preservation cup is made of double-layer stainless steel inside and outside. The inner tank and shell are combined by welding technology, and the air in the interlayer between the inner tank and shell is pumped out by vacuum technology to achieve the effect of vacuum heat preservation.
1. When using, add hot water (ice water) first for preheating or precooling, and the thermal insulation effect is better.
2. The width of the bottle mouth is about 3.5cm. Ice and other food are easy to put in. It is easy and convenient to clean the inner tank.
3. Sling design, easy to carry. (sling style)
