Features the perfect notebook made from high quality, 100% sustainably recycled stone, with an expandable back pocket, divider ribbon or bookmark, elastic band, and lay-flat binding. The unique, eco-friendly notebook is acid-free, bright white, and waterproof with a premium look and feel. Also features a recycled stainless steel barrel with shiny chrome accents. 1.0mm tip and smooth black ink with 800m of writing length. Click mechanism.