Its compact size fits in one hand and is easy to carry, so you can quickly take it out and use it when you're out or on the move. The cover is hard, so it's convenient to write in while holding it in your hand. The coloring makes it easy to use both on and off the job. The light gray 3mm grid lines act as a guide when writing letters, graphs, tables, etc., and are not a nuisance when looking back at the page. The inner paper is acid-free. **Reseller Disclaimer: Kokuyo items cannot be sold on Amazon, eBay, or Walmart.com.**