Eco Friendly Product. Our tree-free A5 Softcover Notebook is made from high-quality, sustainable, & recyclable stone paper with a flexible vegan leather cover. 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. The most luxurious notebook of our current collection is finished with a soft vegan leather cover. 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 so you can take note today, and shape tomorrow. Colours: Navy and Solid Black. Sizes: 148mm x 210mm. Brand Name: Karst. Features: 144 pages of white-lined recyclable paper. Materials: Stone paper (120-micron thick paper equivalent to 144 gsm)