Manufactured with plastic material, practical and for use. Fine workmanship and beautiful appearance ensure the popularity and practicality. Bring a professional and functional look for your report, book, notebook and calendar. Loose-leaf Binder Rings also can bring much convenience to you. Can be used for notebook binding, data sorting, paper storage and so on. Features -Color:Assorted Color -Material:Plastic -Size:27.00X1.60X1.60cm/10.61X0.63X0.63in -Binding Spirals are lightweight for easy and convenient to carry and store when not in use. -Suitable for students, teachers, and other people who need them. You can use it with confidence. -These Binder Rings are great for office, school or home use. It is very easy to operate. -Simple in design, but Binding Rings are practical to use, which will give you a good use experience. -They are made of plastic material, which can be used for a long time. You can use it easily. Package list: 6 x Binding Rings