Elevate your note-taking with the Karst 5.5" x 8.5" Stone Soft Bound Notebook, crafted from premium, sustainable stone paper and encased in a flexible vegan leather cover. This eco-conscious notebook features an expandable back pocket, a divider ribbon or bookmark, an elastic band, and lay-flat binding for optimal usability. Its acid-free, bright white, waterproof pages and smooth texture ensure a superior writing experience with 72 lined sheets offering ample space for your notes and ideas. Certified with the C2C Cradle to Cradle Silver, this notebook is fully recyclable. Plus, with each purchase, you contribute to environmental causes through 1% For The Planet, as one percent of sales from all EcoSmart® products goes to support environmental nonprofits.