The calendar is made with thirteen different paper sheets.
Perfect for every paper enthusiast.
The size of one sheet is round about 99 mm x 208 mm.
It's hold together by a clip that can be removed if wanted.
That gives you the option to resort the calendar to your needs.
It also gives you the option to open the calendar up similar to a fan and
enables you to write on every page. When you're done writing you simply push it back together.