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 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 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 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 Features: Keep Your Property Safe: Our tamper evident seals are designed to keep your property safe from unauthorized access. : Our seals are made of high-density plastic, making them in extreme weather conditions. Specification: Color: Yellow Material: plastic Size: . 250mm 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.