Description It uses pull tight locking mechanism, and locking length is adjustable . It has a nylon lock inside. It slides in to lock easy. Once locked it can not revert back. It can be used forgarden forest trees, warehouses, dining car, luggage and apparel, logistical service, valves and piping, voting box, etc. Features -Color:Yellow-Material:Plastic-Size:25.00X2.00X0.10cm/9.82X0.79X0.04in-Tamper proof tags provide security to prevent tampering of unauthorized entry. Practical to use.-Easy to install, this signage security tags are self-locking, pull tight to lock, no need any tools. Remove by steel cutter.-Security and safe disposal seal, one-time using, can't be opened once locked. It's durable and useful.-This tag can be applied as truck trailer seal, container seal, shipping seal and can also be used in garment shoes bags banks and so on for tamper resistant seal purpose.-Used for locking up items, toolbox, storage units, the crash carts, apparels, doors, luggage, suitcase, fire extinguisher, etc.Packing list: 100 x Security Tags