●EASY ACCESS: The sheet music folder has 4 ring binders that holds up to 200 sheets and can be installed and removed as needed to ensure organized, easy access to your music. ●4 PAGE EXPANSION: The music folder for sheet music can be expanded to 4 pages and comes with 12 free sheets to reduce the number of page turns and avoiding interruptions in performance. ●WRITABLE FOLDER: The piano binder is designed with a top and bottom fixed sheet music, with a non-covered, non-glare center, allowing you to write directly without taking out the music sheets. ●STURDY AND DURABLE: The sheet music binder 4 page is made of high-quality PP material, sturdy and durable, waterproof and scratch-resistant, which can effectively protect your valuable sheet music. ●VARIETY OF USES:This choral folder is perfect for musicians, bands, and concert groups playing various instruments like piano, keyboard, violin, cello, guitar, etc. making it a great gift option.