Is 3 16 stainless steel thermos cup harmful?
As far as I know, 3 16 stainless steel thermos cup is harmless when used correctly. As long as the 3 16 stainless steel thermos cup is selected and used correctly, it will not cause harm to human body. At the same time, we should also pay attention to maintaining good personal hygiene habits, such as washing hands frequently and not eating raw food to protect our health.