NEW Musical Notation Accordion Back Pad for Piano (12in/30cm) Length (10in/25cm)

Dimensions (See diagram in additional pictures)
A:  Maximum width across top edge = 30cm = 12"
B:  Minimum width across bottom edge = 28cm = 11"
C.  Height = 25cm = 10"
D.  Distance between centers of top snaps = N/A
E.  Distance between centers of bottom snaps = N/A
F.  Distance between centers of top and bottom snaps = N/A