ControlTek TripLok Deposit Bags, 9x12, White, 100-Pack

High-alert void message displaying if the bag has been tampered with cold or chemicals. Thermochromic ink turns red if subjected to heat. Anti-static liner does not cling to hands and clothes, speeding up processing. The patented triple-seal closure features a security border that leaves no openings after sealing. Micro-perforation immediately reveals any attempt to pull up the closure to prevent attempts at cutting the cash bag open and re-sealing. Large serial numbers and barcodes provide easy tracking of these bank deposit bags via CCTV. Each bag has a unique tracking number for security controls with a tear-off receipt. Approved for use with the Federal Reserve System.