Karst A5 Hardcover Notebook StoneMade 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.