Six pockets for six octaves – folds into a square only two inches thick! Made of nylon with pockets that zip closed. The buckled strap allows for cinching into an efficient, small space. Pockets measure 7 1/2 in wide. Comes with a Black interior, and comes in assorted colors of exterior material. The color you receive may vary, for specific color requests please email 4seasonscovers@gmail.com prior to ordering.