These are fasteners for individual packaging, such as wrapping. Size: 4mm width, 720 meters per roll. From the common 8cm size sold commercially, you can get 9,000 pieces. It's in a roll, so you can use it in your desired length. Great for sealing bags of bread, baked goods, etc.! Also a substitute for cable ties! KOKESHI Esty Takeout Bakery Western Confectionery Cake Shop Metallic Tie Present For Business Use Handmade Wire