I made a super-sized accordion file! The backing card is also made of thick cardstock! It has 20 pockets, so you can open it up and flip through things! Size: Length: Approximately 11 cm Width: Approximately 31 cm Depth: Approximately 3 cm Number of pockets: 20 How about using your favorite materials for collage, or for storing long washi tapes? Thank you! #collage #papergoods #accordionfile #mayuri #maskingtape case