Tamper evident bag makes sure the information security. Our tamper proof bags can minimize fraud and loss of cash transfer when they are used for banks and finance. Its safety features prevent your stuff from theft or alteration. FENGQI being a tamper proof bags supplier with years' experience supplies a variety of tamper proof bags, which are ideal for cash transit, food distribution, entrance examination, etc. You can choose the tamper resistant bag type that you need. We also provide customized service.