Numbering Design: The plastic numbering stamp is laser printed, not easy to fade, and the default serial number is clearly displayed on the front, which is convenient for recording information during use, and the total length is 250mm High-quality material: plastic safety and tamper-proof seal is made of high-quality plastic, which is anti-aging, - and good elasticity; it can withstand high temperature and has higher durability in extreme weather conditions; the digital zip tie seal is a tool perfect for kits as it is strong enough but not too hard to break Tamper-proof: Tamper-proof seals are for one-time use only, and each stamp has a serial number for identification; once the seal is locked, it cannot be opened; 1000 self-locking stamps are enough EASY TO USE: These security seals are easily inserted and lock automatically; WIDELY USED: Numbered disposable tamper-evident seals for containers, trailers, trucks, , lorries, warehouses, doors, airlines, luggage, duty free, supermarkets and storage controls, Weight: 7.4406013425 pounds, Manufacturer: Tixqeaif