Total Length: The disposable numbered security seal has a total length of 246mm. It features a one-piece structure with a tamper-evident pull-tight design and adjustable locking length. Premium Material: Made from high-quality PP plastic, UL approved, eco-friendly, durable, and resistant to breaking, aging, corrosion, and extreme temperatures. Withstands temperatures from -40°C to 130°C. Rated 94V-2 for flame retardancy. Break strength is 30 lb. Safe & Convenient: One-time use, tamper-evident seal with a pull-tight mechanism for immediate security. Easy to use—automatically locks and can be manually cut. No tools required for application or removal. Laser Printed Number: Each pack includes 100 tamper-proof tags with sequentially laser-printed numbers that are non-repeating, clear, and permanent. Application: Suitable for fire extinguishers, trucks, cables, storage control, postal parcels, meters, and other secure sealing needs.