SMALL AND SOLID: The small, lightweight TSA travel locks come with a solid, compact body which is made of high strength zinc alloy. It is tough enough to survive even the roughest baggage handling. The hardened steel internal lock mechanism is weatherproof and won't rust or freeze up even after years of use. FLEXIBLE CABLE DESIGN: The cable lock can secure luggage that normal lock shackles simply cant. The flexible cable can thread through all standard sized zippers on suitcase, backpack, duffle, golf or carry on bag, briefcase or pelican case, etc. With a total length of 5.5in, the reinforced cable can link 2-3 sets of zippers at one time to secure the entire case or bag. Besides it is plastic covered and won't scratch your luggage. NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products