Sobi Notebook is a great overall versatile paper notebook, lightweight and comes in various colors for easy differentiation of subjects. White, acide free, uncoated 8 x 10 inch paper, soft and thick which is great for thicker inked pens. 100 Sheets, 200 pages which is above what most books on the market have to offer today, durable perfect bound cover protects the notebook during normal daily use making the notebook last longer than the usual paperback...