Kokuyo Campus Todai Series Pre-Dotted Loose Leaf Paper for Binders - B5 (6.9" X 9.8") - 6 mm Rule - 36 Lines X100 Sheets - 26 Holes 2 packs set A high quality paper Weight: 0.2 pounds (approx.) Paper Thickness: 0.1 mm (approx.) This pre-dotted loose leaf paper will give you the best quality of paper you will ever find. It is very smooth to write, does not bleed, and is compatible with almost all kinds of pens, markers, pencils. The notes you take will not transfer on the previous page either. A must have for those who love to take notes!