Solf [Supervised by the PTNA Branch Chief] Sheet Music File, 4-sided, Writable, A4, 10 Sheets40 Sides, Piano Accompaniment (Black), 1 Book

[Writable] You can write notes on practice and lesson points while the sheet music is still in the file! [Ring-bound for a secure opening] It stands perfectly flat against the music stand and won't fall over during performances! It opens straighter than a regular sheet music book. [Only two covers] By making it only two covers, we've pursued stability and ease of opening! [4-sided A4 size] It's the standard A4 size for sheet music, so it's compatible with most sheet music! [Just insert] Simply insert the file into the three pockets and it will stay securely in place! [Available in 5 colors] Choose your favorite color from our cute pastel colors! [30-day guarantee] If you are not satisfied after using it or if there is a problem, we will give you a full refund within 30 days. [Caution] Since it is made of plastic, please be careful not to bend it so much that it leaves marks, as this may render it unusable afterward.