ControlTek, CNK585089, SafeLOK Tamper-Evident Deposit Bags, 100 / Pack, White

Press2Lok closure - simply press to seal High-visibility void message alerts you to tampering with cold or chemicals Special thermochromic ink turns red when subjected to heat Random printed line graphics prevent cut-and-replace tampering Anti-static liner does not cling to hands and clothes, speeding up processing Choice of Efficiency white or clear film Large serial numbers and barcodes for easy tracking via CCTV Security border and micro printing prevent cutting and resealing