Numbering design: The fire extinguisher seal is laser printed with a default serial number displayed in black letters to facilitate recording information during use; the total length of the stamp seal is 9.8 inches / 250 mm Tamper-proof: One-time use numbered zipper tamper seals, each with a unique identification number; once locked, the zippered plastic tag cannot be opened; 1000 pieces of self-locking stamp seals provided s: The plastic safety tamper seal is made of plastic, offering anti-aging and corrosion-resistant properties with good elasticity; the digital zipper seal is suitable for tool kits and provides secure closure without being overly difficult to break Easy to use: In an emergency, simply pull the tie to easily tear off by hand; features automatic locking and manual release, with adjustable length; plastic safety tamper tags are convenient and time-saving Wide range of applications: Numbered tamper seals are suitable for fire extinguishers, first aid kits, zipper bags, cables, cloth bags, hospitals, banks, duty-free shops, supermarkets, ID tags, sprinkler systems, tractors, and trailers Color: Black, Blue, White, Pink, Orange, Light Blue, Green Material: Plastic Package contents: 1 set of security tags Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.