Total Length: The total length of the disposable numbered security seal is 246mm. One piece structure, tamper-evident pull-tight design with adjustable locking length. Premium Material: Made of high-quality PP plastic, UL approved, eco-friendly, durable, and resistant to breakage. Resistant to cold and heat, provides insulation, and resists aging, corrosion, and fading. Break-off strength is 30 lb. Withstands temperatures from -40°C to 130°C. Meets 94V-2 flame retardant rating. Safe & Convenient: Single-use, tamper-evident design. Pull tight for immediate security. Easy to use—automatically locks and can be manually cut. No tools required for application or removal. Laser Printed Number: Each of the 100 seals features a laser-printed consecutive number. Numbers are non-repeating, clear, and permanent. Application: Suitable for fire extinguishers, trucks, cables, storage control, postal parcels, and meters.