A7 SIZE

For 74 x 105 mm (2.90" x 4.10") size notebooks.

B7 / PASSPORT SIZE

For 88 x 125 mm (3.5" x 3.9") size notebooks.

POCKET SIZE

For 90 x 140mm (5.5" x 3.5") size notebooks. This is the size of the popular Field Notes brand notebooks.