Mnemosyne notebooks have some of the smoothest paper and this A6 notebook is great for keeping track of your day. Each page has a header area at the top for the date and then lines with 2 boxes on the left that can be used as to-do checkboxes or the time or whatever system you'd like. The pages are printed on the front and blank on the back for more free-form notes and they're micro-perforated for clean removal.
Measures 4 1/2" wide x 5 7/8" tall, 160 pages. Perforated white 80 gsm paper, 1/4" line spacing, slightly rounded corners. Wire-o bound, black plastic front and back covers. Info sticker on the cover is removable. Made in Japan.