Numbering design: The seal is laser printed, and the default serial number is displayed in black letters to facilitate recording information during use the total length of the stamp seal is 9.8 inches or 250 mm Tamper-proof: One-time use numbered zipper tamp seals, each piece has a series of unique identification numbers Once locked, the zippered plastic tag cannot be opened 1000 pieces of self-locking stamp seals are enough to meet your needs HIGH QUALITY MATERIALS: The plastic safety tamping seal is made of plastic, which is anti-aging, corrosion-resistant and has good elasticity the digital zipper seal is perfect for tool kits and is secure enough but not too difficult to break. Easy to use: When an emergency occurs, pull up the tie and it can be easily torn off by hand automatic locking and hand breaking, easy to use and adjustable in length plastic safety tamper tags will meet your needs and time Wide range of applications: Numbered disposable tamped seals are suitable for fire extinguishers, kits, zipper bags, cables, cloth bags, hospitals, , duty-free shops, supermarkets, ID tags, sprinkler systems, and trailers Colour:White Material:plastic Package Contents: 1 set x security tags removal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.