Numbering Design: The seal is laser printed with a default serial number displayed in black letters, convenient for recording information during use. The total length of the stamp seals is 9.8 inches (250 mm). Tamper Proof: Numbered zip tamper seals are for one-time use and each features a unique series identification number. Pull-tight plastic tags cannot be reopened once locked. 1000 pieces of self-locking stamp seals are included to meet your needs. Quality Materials: Plastic security tamper seals are made of durable plastic material offering good resilience and resistance to aging. Numbered zip seals are ideal for tool kits, providing secure closure without being overly difficult to break. Easy to Use: Pull-up ties can be easily torn off by hand in emergency situations. Self-locking mechanism allows for hand application and breaking, with adjustable length for customized fit. Plastic security tamper tags help save time and meet various security needs. Wide Application: Numbered disposable tamper seals are suitable for tool kits, zippered bags, cables, cloth, bags, hospitals, banks, duty-free shops, supermarkets, ID tags, sprinkler systems, and trailers. Pull-tight seals are commonly used in stores selling luggage, bags, shoes, and clothing as security straps. They can also be used for emergency exits, ambulances, and other applications to protect items during transportation. One-time use, self-locking mechanism, adjustable length. Easy to tear by hand without tools, saving time. Total length of seal: 9.8 inches (250 mm) Color: Yellow Material: Plastic Package Contents: 1000 x Security Tags (Removal Not Included) Note: Light reflection and different display settings may cause slight variations in the color of the item in the picture compared to the actual product. Measurement allowance: +/- 1-3 cm.