Features: Transparent material for inner page, easy viewing and marking. Large capacity, up to 160 pages can be added to improve utilization. Easy to extract from the top, the material is soft and does not deform when bent. Diversified storage, the inner page can accommodate A3/A4, which can easily store all kinds of music scores and materials. The inner pockets are made of high quality material, waterproof with the capability of protecting documents in a long run. Package Includes: Package A: 1x File Folder Package B: 1x File Folder Package C: 1x Inner Page Specifications: Material: PU Type: Pink/Cyan-Blue/Inner Page Size of Music Sheet Folder: Approx. 27x32.8 cm/10.63x12.91 in The inner page can be used with outer shell. note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Transparent material for inner page, easy viewing and marking. Large capacity, up to 160 pages can be added to improve utilization. Easy to extract from the top, the material is soft and does not deform when bent. Diversified storage, the inner page can accommodate A3/A4, which can easily store all kinds of music scores and materials. The inner pockets are made of high quality material, waterproof with the capability of protecting documents in a long run.