Yeat Notebook is the leading notebook in the world! With 18 months of field research, the team has created a product that’s just right for you: light and soft paper, affordable design and perfect size. Yeat Notebook is a side-project of Yeat.sg, an online store that sells customized notebooks and stationery supplies. The store has over 300 designs for customizing their notebooks and more than 5000 customers from around the world. All notebooks come in different formats, with some as small as A6 (a little bigger than half an inch), and some as large as A4 (which would be about four inches).