The fire extinguisher seal includes 200 pieces. Fire extinguisher tamper seals size: 250mm (9.8inch), blank tag size (writing area): 30mm x 20mm/1.2inch x 0.79inch, which is convenient for recording information during use. The numbered zipper tamper seals are for one-time use only and the pull-tab security tags have an adjustable length locking mechanism; Pull tight plastic tags cannot be opened once locked; 1000 pieces self-locking stamp seals are enough to meet your needs. The plastic security seals are made of PP plastic, which is resistant to aging, corrosion and good resilience; The numbered zippers are perfect for tool kits, secure enough but not too hard to break. The pull ties are easy to tear off by hand in an emergency; Self-locking and hand breakable, easy to use and the length is adjustable; Plastic security tags will meet your needs and save your time. Numbered disposable tamper seals are suitable for fire extinguishers, first aid kits, zippers, cables, fabrics, ,