Kuloday manufactures & supplies high quality tamper evident envelopes & bags. Such bags are evidently used for safe movement of cash, valuable evidences for police services, examination papers, valuables such as precious stones & metal, foreign currency, passports, etc. Applications of this bag: Confidential mailing Police services Parliament Aviation security Passport envelopes Credit/ debit card encelope Narcotics department Crime branch Investigation bureaus Forensic laboratory Cash