These Loose-leaf Binder Rings are made of high-grade and plastic material and are for 5-hole use. Binders are suitable for many purposes, such as loose-leaf, memo filing, etc. Reusable plastic binding ring, can be . They are simple in design, but very practical to use and will give you a good experience. Features -Color:Assorted Color -Material:Plastic -Size:4.20X1.50X1.50cm/1.65X0.59X0.59in -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 . It is very funny. -These Binder Rings are made of and rigorous manufacturing processes. -The excellent performance of our Loose-leaf Binder Ring will bring you a good experience. -You can buy the professional and practical products at an . Easy to use, just pull open, then close. Package list: 20 x Loose Leaf Binder Rings