How thick the notebook is from front to back, including the cover.
The general international paper size, including options such as A4, A5, B5, Pocket, etc. Click here to read our guide on paper sizes.
The number of individual pieces of paper in the notebook (whereas pages refers to each side of a sheet). 1 sheet = 2 pages.
Whether or not the paper is micro-perforated and designed to be removed from the notebook. Options include None, Some, or All pages.