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 serial 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 resistant to aging, corrosion, and offer good resilience. These numbered zip seals are ideal for tool kits, providing reliable security without being overly difficult to break. Easy to Use: Pull-up ties can be easily torn off by hand in emergencies. Self-locking design with hand-break functionality allows for easy use and adjustable length. Plastic security tamper tags help save time and meet practical 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 ties. They can also be used for emergency exits, ambulances, and other applications to protect bags during transportation. One-time use with self-locking mechanism and adjustable length. Tear off by hand easily without tools, saving time. Total seal length: 9.8 inches (250 mm) Color: Yellow Material: Plastic Package Contents: 1000 x Security tags Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.