The inside pages of the Z-bind booklet would be folded, perforated and bound in a special way to enhance experience of the graphics and textual messages.
Sheet of paper measuring 430 mm width X 132 mm height
Two folded sheets are folded and aligned so that the folded edges come on alternate sides.
The sheets are perforated 35 mm away from the folded edge on one side.
They are then centre-stapled along with the cover.