Easy-to-Use Design: A6 Size 6-Hole Binder & Use as a Writing Board! This is a groundbreaking writing board that can be used by directly inserting it into A6 6-hole refills. It prevents paper from slipping during study or writing in the office, ensuring comfortable and stress-free writing at all times. This is an innovative stationery item that will dramatically improve the efficiency of managing notes and memos. Lightweight & Thin: Amazing 22g Lightweight Design with Pen Holder! With a lightweight and thin design of only 22g, it won't take up space in your bag. The built-in pen holder allows you to quickly take out your pen, and the included storage pocket neatly stores tickets and memo pads. It achieves ideal portability, making it convenient to use even when you're on the go. High Compatibility & Durability: Fits Various A6 System Notebooks & Binders! Fully compatible with general A6 size 6-hole refill paper, it can be used in combination with many system notebooks and binders. Made with high-quality materials, it has excellent durability that can withstand frequent use in daily life. Available in 3 Colors: Stylish Design for Use in Any Scene, from the Office to Studying! Available in three simple and sophisticated colors: pink, khaki, and black. It has a stylish design that matches any situation, from business scenes in the office to classes at school, studying at home, and even using it as a planner. Freely Detachable Rings: Easy to Insert and Remove Documents, Significantly Shortening Organization Time! The rings are very smooth to attach and detach, allowing you to instantly add or replace documents. It streamlines memo organization during meetings, dividing notes by class, and organizing all kinds of materials, making it the best companion for saving valuable time.