Black Music Binder: 24 dual-use sleeves present 48 letter size sheets. Elegant, simple cover with embossed exterior, pearl white interior, back cover has understated musical motif. Lay flat on stand..Usage 1: Write Directly On Page. Insert 8 1/2 x 11 inch music score into top and bottom retaining strips, make notes or notations on exposed paper during practice session or rehearsal. Easy page turn..Usage 2: Long Term Storage and Protection. Insert music pages into top-loading crystal clear sheet protector pockets. Protective sleeves are water-resistant, acid-free, PVC-free, no ink transfer..Dimensions: Sheet music binder cover is 9-3/4" (W) x 11-3/4" (H), plastic sleeves are 8-3/4" (W) x 11-1/4" (H), sized for 8.5 x 11" (not A4) pages. Cover has inner slash pocket for loose items..Many Uses: use music flip book for piano, violin, guitar, flute lessons, or band, choir, orchestra practices, for indoor or outdoor occasions. Perfect gift for music teachers, students, musicians.