Before falling down this rabbit hole, I used Eccolo Cool Jazz notebooks in A6 (or close) size from Office Depot. But they kept ripping at the spine. Each one is held together with gorilla tape now. Leuchtturm is my favorite for ruggedness so far. I'm sifting through a collection of several brands. This year's is a Tru Red. Miss the rear pouch
An A6 piece of paper measures 105 ร 148 mm or 4.1 ร 5.8 inches. Cutting it in half will create two A7 sheets of paper. An A6 piece of paper will fit into a C6 envelope. When folded in half, it will fit into a C7 envelope. A6 is part of the A series and is defined by the ISO 216 international paper size standard. . 36 323 406 354 299 75 272 213