20-Page Music File Folder, Holds Up To 40 Sheets Of A4 Paper, Waterproof Double-Sided, Durable & Lightweight, Suitable For Musicians And Performers To Store Sheet Music And Documents, Piano Score Folder, Student Binder, Music Accessories, Made Of Sturdy PP Material With Large Capacity, Great For Music Gifts, Student Gifts, Piano Accessories, Stage Performance, Music Class Practice, Band, Music Room Supplies, Back To School Gifts, Practical Gifts