This Kangaro checkered ring binder paper is suitable for use in A4 binders or ring binders with 2, 4 or 23 rings. The graph paper has a 21-hole perforation. Pages are made of 60g wood-free and chlorine-free white paper. The 10mm diamonds make the paper suitable for arithmetic, mathematics or keeping your administration. The checked ring binder paper can be used in a binder or ring binder.