Number Design: The fire extinguisher seal features laser printing with a default serial number displayed in black letters for easy record-keeping during use. The total length of the red seal is 9.8 inches (250 mm). Tamper-Evident: Each numbered zip-tie seal has a unique identification number. Once secured, the plastic seal cannot be reopened without visible damage. Includes 1000 self-locking seals. High-Quality Materials: Made from PP plastic, these security seals are resistant to aging, corrosion, and offer excellent elasticity. Digital zip-tie seals provide secure yet manageable protection for tool kits and similar applications. Easy to Use: Designed for quick manual removal in emergencies. Features self-locking functionality, hand-tear capability, and adjustable length. Plastic security labels save time and meet practical needs. Widely Used: Suitable for fire extinguishers, first aid kits, zipper bags, cables, fabrics, bags, hospitals, banks, duty-free shops, supermarkets, ID cards, sprinkler systems, tractors, and trailers. Color: Red Material: Plastic Package Contents: 1000 × security seals Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.