Numbering Design: The fire extinguisher seal is laser printed with a default serial number displayed in black letters for convenient information recording during use. The total length of the stamp seals is 9.8 inches (250 mm). Tamper Proof: Numbered zip tamper seals are single-use and feature unique sequential identification numbers. Pull-tight plastic tags cannot be reopened once locked. 1000 pieces of self-locking stamp seals are included to meet your requirements. Quality Materials: Plastic security tamper seals are made of durable plastic material resistant to aging, corrosion, and offer good resilience. 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 emergency situations. Self-locking design with hand-tear functionality, simple to use with adjustable length. Plastic security tamper tags help save time and fulfill various needs. Wide Application: Numbered tamper seals are suitable for fire extinguishers, first aid kits, zippered bags, cables, clothing, bags, hospitals, banks, 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 straps. They can also be used on fire extinguishers, first aid kits, emergency exits, ambulances, and for securing items during transport. Single-use design with self-locking mechanism and adjustable length. Easy hand removal without tools. Total seal length: 9.8 inches (250 mm) Color: Multicolor (4 colors: yellow 400 pcs, light blue 200 pcs, green 200 pcs, red 200 pcs) Material: Plastic Package Contents: 1000 x Security tags Note: The package includes only the items listed above. Other products are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by up to +/- 1-3 cm.