Separated-bound spirals do not block your hand while writing!
Feature 1: Separated-bound spirals are attached nearest the edge of paper. This enables stress-free writing on the facing page.
Feature 2: You can use the flap as a bookmark of notebook. Easily find the page where you left off by holding the flap with your finger and opening notebook.
Feature 3: Detached pages and documents can be stored. You can remove and insert between any pages of notebook.
Feature 4: You can write titles on the spine because its cover is made of one sheet. Classifying by colors is recommended.