● One-touch binding mechanism for easy opening and closing. ● Binding legs can be inserted from the side of the binding mechanism. ● Reinforced tape is attached to the top of the spine. ● Can store up to 8 cm as is. By moving the stopper position of the binding legs, the storage capacity can be increased up to 10 cm width. ● The cover has holes that support binding strings (sold separately), so you can use a string to secure the cover so it doesn't open. ● Unlike thin files, there is no need to divide the documents, allowing for smart organization. ● Size: A4-S ● Storage dimensions: 1-100 ● Number of sheets stored: 1000 sheets ● External dimensions (height, width, spine width): 303, 220, 14-114 Green Purchasing Law compliant Eco Mark certified ● Number of holes: 2 holes ● Binding hole spacing: 80mm pitch ● Cover: Colored paperboard (2 layers, recycled paper pulp blend) Thank you for looking.