This sheet music file includes an index. It features 20 pages, allowing you to place music on both sides, for a total of 40 sheets of music. Each page is secured by a clear band at the top and bottom, allowing you to write on the music. Unlike clear files, it doesn't reflect light, making it easy to read. It's closed with a round metal ring, making it easy to turn pages and allowing for 180-degree openings. The black version comes with 4 sets of 5 pages (20 pages each) in red, yellow, green, blue, and purple. All other versions have clear holders. Perfect for piano lessons, guitar, violin, brass band lessons, and concerts! The stylish design and five colors to choose from will motivate your child to continue their lessons. Size: 26x32cm Page Count: 40 pages (20 sheets per clear file, 40 pages per clear file). Cover Colors: 5 colors available (black, light blue, green, pink, purple).