Refillable paper blocks for leather journals are a great feature that allow the journal to serve as a long-term companion for its owner. The ability to easily replace the paper blocks once they are filled ensures that your leather journal can adapt over time, whether for artistic endeavors, professional work, or personal reflection. These refills come in various types: Plain Paper: Ideal for those who prefer an unobstructed space for drawing, sketching, or freeform writing. Available for S / M / L / XL size journals. Lined Paper: Best suited for note-taking, journaling, and writing. Available for S / M / L / XL size journals.Grid Paper: For those who engage in technical work such as architects or designers, as well as those who enjoy creating graphs or charts. Available for S / M / L size journals.