Our Stone Paper water proof A5 Notebook is made from high-quality, sustainable, & recyclable stone paper with a luxurious vegan leather cover. With an expandable back pocket, bookmark ribbon, elastic band, and 180° lay-flat binding. Our unique, eco-friendly notebook is acid-free, bright white, and waterproof with a premium look and feel. Our stone paper notebook will give you the most silky writing feeling which will allow your thoughts to flow. It is a perfect poetry notebook and a professional notebook for entrepreneurs and professionals.