Number design: The sealing of the fire extinguisher adopts laser printing, and the default serial number is displayed in black letters, making it easy to record information during use; The total length of the red seal is 9.8 inches/250 millimeters Tamper proof: The numbered zipper tamper proof seal is , and each seal has a series of unique identification numbers; Once a taut plastic label is locked, it cannot be opened; 1000 self-locking seals are enough to meet your needs High quality materials: Plastic security and anti-theft seals are made of PP plastic, which is resistant to aging, corrosion, and good elasticity; Digital zipper seals are the perfect choice for tool kits, safe enough, but not too difficult to break Easy to use: In case of emergency, the pull-up tie is easy to tear off by hand; Self locking, hand breaking, easy to use, adjustable length; Plastic security labels will meet your needs and save you time Widely used: numbered tamper proof seals are 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 Colour:Red Material:Plastic Package Contents: 1000 * security tags 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.