Numbering Design: The fire extinguisher 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 feature a unique sequential identification number. Pull-tight plastic tags cannot be reopened once locked. Includes 1000 self-locking stamp seals to meet your needs. Quality Materials: Plastic security tamper seals are made of durable plastic resistant to aging, corrosion, and offer good resilience. Numbered zip seals provide 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, simple to use with adjustable length. Plastic security tamper tags help save time and meet practical needs. Wide Application: Disposable numbered tamper seals are suitable for fire extinguishers, first aid kits, zippered bags, cables, clothing, luggage, hospital equipment, bank security, duty-free shops, supermarkets, ID tags, sprinkler systems, tractors, and trailers. Pull-tight seals are commonly used in retail stores for luggage, bags, shoes, and clothing as security tags. These plastic seals can also be used on fire extinguishers, first aid kits, emergency exits, ambulances, and for securing bags during transportation. One-time use with self-locking mechanism and adjustable length. Easy hand-tear removal 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 may vary by ±1-3 cm.