Kokuyo Campus Easy-Carry Slim Binder "Smart-Ring" A5 20-Ring Set of 3 (Vivid Pink, Green ar, A5)

Slim and portable as a regular notebook, easy to carry and space saving. Each can hold up to 25 Sheets. The cover uses a smart ring and fastener that can be folded over or opens flat and wide. Fastener can be easily open with a single touch, so you can smoothly insert and remove the paper inside. The stopper function is added so it will not accidentally open in your bag. The binder contains 10 sheets of loose leaf paper, and a title page with detailed usage instructions. It's the Kokuyo original base paper which is acid-free and resistant to bleed and suitable for long-term storage. A5 - 20 holes ( A5 size = 5.83 x 8.27 in / 14.81 x 21.01 cm)