[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 breakage, cold, heat, insulation, aging, and corrosion. The material does not fade and has a break-off strength of 30 lb. It can withstand temperatures from -40°C to 130°C and meets 94V-2 flame retardant standards. [Safe & Convenient]: Designed for one-time use with a tamper-evident seal. It locks securely when pulled tight and is easy to use—automatically locks and can be manually cut. No tools are required for application or removal. [Laser Printed Number]: Each pack includes 100 tamper-proof tags with consecutive laser-printed numbers that are non-repeating, clear, and permanent. [Application]: Suitable for fire extinguishers, trucks, cables, storage control, postal parcels, and meters.