For the sake of appearance, the scars left after vacuuming were covered with trademark paper.

The small holes are formed by the manufacturer during vacuuming. Good quality will hide the small holes well. This thermos cup is just covered with the trademark. Tearing off the trademark will generally not affect the effect. Different manufacturers have different insulation times. different.

Extended information

To use the thermos cup correctly, you need to pay attention to the following points:

First, clean it thoroughly once a day. This is the fundamental way to prevent odors and stains. When cleaning, you must not just rinse it with water, but also take care of the cup noodles, liner, and bottle caps.

Second, wash the inner tank first and then the bottle cap. Generally speaking, the correct steps are: put a small amount of salt in the bottle, add warm water, shake well, and soak for 5 to 10 minutes; remove the cup lid, squeeze some toothpaste on the toothbrush, and gently scrub the gaps in the bottle lid; rinse the inside and outside of the cup with clean water Once; do not close the lid immediately after washing. Dry it thoroughly before closing it to prevent the stainless steel thermos cup from becoming smelly.

Third, don’t make tea or drink. Insulation