Numbering Design: the fire extinguisher seal is laser printed, and the default serial number is displayed in black letters which is convenient for recording information during use; The total length of stamp seals is 9.8 inch/ 250 mm Tamper Proof: numbered zip tamper seals are one time using and each has series unique identification numbers; Pull tight plastic tags can't be opened once locked; 1000 pieces of self locking stamp seals are sufficient to meet your needs Quality Materials: plastic security tamper seals are made of plastic, which is resistant to aging, corrosion and good resilience; Number zip seals are perfect for tool kits, secure enough but not too difficult to break Easy to Use: pull up ties are easily tear off by hand when emergencies come up; Self locking and hand breaking up, easy to use and length is adjustable; Plastic security tamper tags will meet your needs and save your time Widely Application: numbered disposable tamper seals are suitable for fire extinguisher, first aid kit, zippered bags, cables, cloth, bags, hospital, bank, duty free shop, supermarkets, ID tags, sprinkler systems, tractors and trailers Widely applied:Pull tight seals are usually applied in stores selling luggage, bags, shoes and clothes as sign belts. Pull tight plastic seals can also be applied as fire extinguisher, first aid kit, emergency exit, ambulance, etc., to protect bags during transportation. One time usage, self locking mechanism, adjustable length. Tear off by hand easily, no need tools, save your time. Total length of the seal: 9.8 inch/ 250 mm Colour: multicolor (4 colors: yellow 400 pcs / light blue 200 pcs / green 200 pcs / red 200 pcs) / yellow Material:plastic Package Contents: 1000 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.