Refill your DiaryFlex with with blank, lined or dotted sheets. Ideal for sketches or notes, each DiaryFlex refills contain a generous 160 pages of content. Its 100gsm natural white paper is suitable for fountain pens, ballpoint pens, fineliners or pencils.  Once the notebook pages are full, you don't need to part with your Diary Flex: you just need to slip out the old refill and slide in a new one of these refills of blank, lined or dotted sheets.