The BCW Sheet Music Backing Boards are made from a full 24 point solid bleached sulfate, coated on one side with a buffered with 3% calciumcarbonate , and are precision cut to size.
Fits inside sheet music storage sleeves
Coated on one side
Buffered with 3% calcium carbonate
Precision cut
Use with BCW Sheet Music Sleeves
Dimensions 9 1/4 X 12 1/8 (234.95mm x 307.98mm)