These Loose-leaf Binder Wires are made of iron material and are for use. Binders are suitable for many purposes, such as loose-leaf, memo filing, etc. Reusable iron binding ring can be replaced. Loose-leaf Binder Wires are simple in design, but very practical to use and will give you a good experience. Features -Color:Black -Material:Iron -Size:28.50X1.50X0.90cm/11.20X0.59X0.35in -These Binder Wires are made of iron material and rigorous manufacturing processes. -Suitable for most people, such as students, teachers, and so on. Firm and , so that your desk calendar and notebook in order. -The excellent manufacturing process enables them to have performance. It is very funny. -The excellent performance of our Loose-leaf Binder Wire will bring you a good experience. -You can the professional and practical products with . Easy to use, just pull open, then close. Package list: Binding Wires