Many Baoma like to use stainless steel insulated cup milk, let their kids go to school with, I would drink a drink. This approach is wrong. Because milk inclusive acidic, acidic substances on stainless steel will play a chemical reaction that leads to drink bad taste; and milk, the bacteria can reproduce every 20 minutes, 3-4 hours after generation can milk spoilage. In addition, the stainless steel thermos cup constant temperature, can destroy vitamins in milk, etc., will also directly affect the child's health.

The stainless steel cup will be susceptible to oxidation and rust, this situation also affected the material stainless steel mug, stainless steel good, less oxidation, the difference between the stainless steel easily oxidized.