Ring binder

Ring binder is a kind of commonly used stationery, also known as loose leaf notebook, loose leaf notepad, which is composed of cover, loose leaf folder (or coil), and paper. The pages inside the notebook can be removed and added freely.
The biggest difference from ordinary notebooks is that Ring binder are more flexible in use. The paper can be disassembled, replaced, combined at will, and arranged conveniently. Users can also DIY according to their own preferences. The Ring binder can be used for notes, notes and drafts.