Sheet music 4 can hold 6 A4 lesson sheet electronic accessories file, sides, sheets, size, expansion, file, cover, music, co

[Size] The length, width, and thickness are approximately 31cm x 21cm x 1.2cm, and the total length when unfolded is approximately 86cm. [Writable] Only the upper and lower parts of the sheet music are sandwiched, so you can write notes etc. directly on the sheet music. [High Quality Material] Made of strong ABS material, it is not easy to break and will last a long time. It also has excellent waterproof and stain resistant properties. [Non-reflective] Since it is not a pocket file, it does not reflect even when illuminated with light, making it easy to see. [Expand for easy viewing] It can store up to 6 sheets, so you don't have to turn the pages over and over again when practicing long sheet music. [Size] Approximately 31 cm x 21 cm x 1.2 cm in length, width, and thickness, and when unfolded, the total length is approximately 86 cm. [Writable] Only the top and bottom parts of the score are sandwiched, so you can write notes directly on the score. [High-quality materials] Made of strong ABS material, it does not fold easily. It is durable and lasts a long time.It is also waterproof and stain resistant. [Non-reflective] Because it is not a pocket file, it does not reflect even when illuminated by light, making it easy to see. [Expanded for easy viewing] Up to 6 sheets can be stored, so there is no need to turn the pages over and over again when practicing long sheet music.