1.There is temperature change ink anti-counterfeit strip at the seal part,when the external temperature is uo to 65ºC, it will become red.
2. Blue anti-counterfeit security easy-tearing tape,once it is destroyed,it will left wourds on the bag and can not be repaired
3. Ther is one unique tracking code on the bag body and one special writing area.
4. Spcial anti-counterfeit are used in the bag.