Size: 7.9*11.6 cm
50 sheets per book
 
Bound together at the top, with perforation in the middle so that one sheet can be torn into two pieces
 
How to use:
Record habits, drinking water, weight, or anything you want to track.

There are a total of 31 small circles, which happens to be the maximum number of grids required in a month.

There are 11 circles in a row, no numbers are printed, to make it more flexible to use.