The PinchLock light security seal is made of high-class polypropylene. It has a feed-stop to prevent wrong threading.
This security seal is excellent for sealing first-aid kits, fire-extinguishers or boxes. Also the PinchLock light is popular in warehouses for the identification of storage areas.
Every PinchLock light pull-through seal has a unique serial number. They can be closed and opened by hand without any tools.