Uniquely identifiable, pre-numbered (also available without numbering), anti tamper plastic seals.
Pull tight seals are available in a choice of sizes and lengths. The leading end of the seal passes through or around the item to be protected and then threads through the gripper chamber in the tail (flag) section of the seal.
Pull tight seals form an adjustable size loop - as you pull the tail through the gripper chamber the size of the loop gets smaller,
...see our range of 'Plastic Ring Seals' if you need a seal that will always form a fixed size locking loop