Deer River Grand Concert Band FolioOrdering a set? Add 5 or more folders to your cart for an automatic 10% discount. 12" x 14" Concert Folio. The finest folio that provides quality appearance, durability and strength for many years of constant use. Top grade leatherette glued to heavy press board, strong leatherette binding, reinforced corners with metal. Bottom pockets with 1 2" expansion sides and bottoms and 1 1 2" double stitched hinge spine for large amounts of music. Colour