Customized Stationery & Notebooks, Karst 5.5" x 8.5" Stone Soft Bound Notebook - Waterproof & Eco-Friendly, The Karst 5.5" x 8.5" Stone Soft Bound 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. This unique, eco-friendly notebook is acid-free, bright white, and waterproof with a premium look and feel. The smooth texture of the 72 sheets of white stone lined pages and flat-lay binding provide ample comfort and writing space for your notes and ideas. This stone paper holds a C2C Cradle to Cradle Silver Certification. That means if you do have to dispose of your Karst notebook; it is recyclable. Through a partnership with 1% For The Planet, one percent of sales of all EcoSmart products are donated to environmental nonprofits. ... #0912-02 $24.12/each.