This tree-free A5 Hardcover Notebook is made from high-quality, sustainable, and recyclable stone paper. With an expandable back pocket, divider ribbon or bookmark, elastic band, and lay-flat binding. Our unique, eco-friendly notebook is acid-free, bright white, and waterproof with a premium look and feel. Made for creatives by creatives, so we know that a notebook needs to be more than a collection of pages to fill. Its waterproof cover and pages will keep it from absorbing moisture for those rushed early-morning coffee runs. The smooth texture of the pages and flat-lay binding provide ample comfort and writing space for your notes and ideas. Store your loose notes in the back pocket. This is the perfect low-tech companion to your high-tech devices.