The Tri-Tech Forensics Evidence Collection and Security Bags (Medium, 100 Pack) have unique, self-sealing adhesive strips that form an instantaneous and permanent seal, making it impossible to reopen the bags without destroying them.
Some of the notable features of the tough, tamper-evident Evidence Collection and Security Bags are the tear-off investigator's receipt located at the top of the bag, the pre-printed control numbers included on the bag and receipt and three write-on areas for tracking evidence. The release liner protects the unique, self-sealing gel-glue strips and a border pattern is printed around the edges to prevent the opening of the bag from the sides.
Puncture and tear resistant, bags are made of a clear 4 mil polyethylene material, providing strength and allowing the investigator to view the contents of the evidence bag. The write-on areas include space for names, contents, chain of custody and crime lab information.