Numbering design: The 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 to meet your needs. High-quality materials: The plastic safety tamper seal is made of durable plastic, resistant to aging and with good elasticity; the numbered zipper seal is secure and suitable for tool kits. Easy to use: In case of emergency, pull the tie and the seal can be easily torn off by hand; features automatic locking and manual release, simple to operate and adjustable in length; plastic safety tamper tags designed for convenience. Wide range of applications: Numbered disposable tamper seals are suitable for fire extinguishers, tool kits, zipper bags, cables, cloth bags, hospitals, duty-free shops, supermarkets, ID tags, sprinkler systems, and trailers. Color: Green Material: Plastic Package contents: 1 set x security tags (removal tool included) Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 1-3 cm.