Eco Friendly Product. 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. Colours: Black , Navy and Stone. Sizes: 148mm x 210mm. Brand Name: Karst. Features: Made from 100% sustainably recycled stone, and without bleaches or acids, Karst Stone Paper is built to be better than wood-pulp paper: waterproof, tear-resistant, and infinitely smoother for writing and drawing. 144 sheets of white-lined recyclable paper. Packaging: Bulk. Materials: Stone paper (120-micron thick paper equivalent to 144 gsm)