[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, cold, heat, aging, and corrosion. Offers excellent insulation properties and colorfastness. Break strength is 30 lb, withstanding temperatures from -40C to 130C, and meets 94V-2 flame retardant rating. [Safe & Convenient]: Designed for one-time use with tamper-evident functionality. Pulls tight for immediate security. Easy to useautomatically locks and can be manually cut. No tools required for application or removal. [Laser Printed Number]: Each pack includes 100 tamper-evident tags with sequentially laser-printed numbers that are non-repeating, clear, and permanent. [Application]: Suitable for fire extinguishers, trucks, cables, storage containers, postal parcels, and meters.