Feature: The product is made of high-quality PP material, which has good toughness and is not easy to break. The product contains a steel sheet for enhanced safety. PP plastic material resists acid-base corrosion and metal rust, offering better aging resistance and a long service life. It is simple to use and can be tightened by hand. It is suitable for various logistics, transportation, and warehousing applications such as shipping, logistics, warehouse management, supermarkets, and transportation services. Specification: Material: PP + steel Weight: 342g 12.1oz Color: Yellow Total length: 40cm 15.7in Package list: 100 x Plastic Seals (with Number) Note: The actual product color may vary slightly from the image due to lighting conditions. There may be a slight measurement deviation.