Feature: 1. Packing Quantity: You will get 40 binder rings, enough for your long term use. 2. Multifunctional: It is suitable for binders, business cards or note cards, classrooms, offices, homes, and can also be used as a keychain. It is very suitable for fixing file stacking and keys. 3. High Quality Material: Because the material of the flexible book loop is PE, it is durable and will not crack or split. The loop can be easily opened and closed to ensure long term use. 4. Applicable Situations: The binder rings can be easily used in office and home storage. 5. Multiple Colors: 5 different bright colors are available, including pink, blue, green, yellow, and transparent green. Different colors can not only meet your various needs, but also help you classify documents according to different colors. Specification: Item Type: Binder Rings Material: PE. Package List: 40 x Binder Rings