The Clairefontaine Clairing is a notebook with a revolutionary binding system. With the Clairefontaine Clairing, loose sheets are held together by isolated discs, this makes opening and closing the notebook easy without snagging! Each sheet of paper is specially punched to fit the discs grooves securing them in place. With the Clairing system each piece of paper can be removed and placed back into the notebook at any desired location, making this notebook fully customizable. Organize and re-organize your notebook without ruining your work or your notebook! Follow the specialized directions for insertion and removal of pages and your papers will be secure and organized! Contains 144pages/72 sheets of 90g graph white Clairefontaine paper. Approximately: 11 3/4" X 8 3/4"