Folio-size pages are as large as a sheet of paper. Our largest loose-leaf size; ideal for recording meeting notes, brainstorming ideas, work diary, and much more. | Desk-size pages are similar to the size of an 8 ½? x 11? sheet of paper folded length-wise. Our most popular loose-leaf size. Perfect for desk or on-the-go use. | Portable-size pages are slightly larger than a checkbook. Fit in a handbag or business case, yet hold plenty of details. | Jotter-size pages are the size of an index card. Our smallest loose-leaf format. Small format travels well, yet expands to meet your specific planning needs. |