This Japanese Vintage Elastic Band is a crucial accessory for your Midori Traveler's Notebook Planner. Made of high-quality rubber, it comes in a variety of colors and sizes including Passport, Portable, Standard, and A5. Its elastic feature provides high elasticity, making it perfect for repairing genuine leather notebooks and journals. With ten available colors to choose from (Red, Violet, Green, Olive Green, Blue, Orange, Camel, Brown, Gray, and Black), this elastic band is a must-have for any traveler's notebook.