Boards are pre-loaded into the Bags Standard: 9 1/4 x 12 1/8 1 1/2 inch flap for closure Protect sheet music while handling
25 Premades per Pack

The BCW Sheet Music Bags are an acid free, archival quality product made of crystal clear polypropylene. The BCW Sheet Music Backer Boards are made from a full 24 point solid bleached sulfate, coated on one side with a buffered with 3% calcium carbonate, and are precision cut to size.