The seal include 100 pcs. safety ties size:250 mm (9.8 inches), blank tag size (writing area):30mm X 20mm/1.2inchX 0.79inch, which is convenient for recording information during use. Numbered zip tamper seals are one time using and pull- security tags have a locking mechanism with adjustable length; Pull tight plastic tags can't be opened once locked; 1000 pieces of self locking stamp seals are sufficient to meet your needs. Plastic security tamper seals are made of PP plastic, which is to aging, and good resilience; Number zip seals are perfect for tool kits, secure enough but not too difficult to break. 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 meet your needs and save your time. Numbered disposable tamper seals are suitable for , kit, zippered bags, cables, cloth, bags, hospital, bank, duty free shop, supermarkets, ID tags, sprinkler systems, and trailers. Color: Blue 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.