This password book refill paper size of 5.8″ x 8.25″, easy to use, you’ll never have to reset forgotten passwords again. This loose leaf password book paper with standar 6-hole inserts, refill paper for A5 binder, SIX (6) ring binders, like Filofax, Kikki k, Carpe Diem (A5), DON’T fit 3/7 ring binders.