The Gig Bag is made for musicians, by musicians. Inside divider separates your music and BLACK FOLDERS for different gigs. The sturdy, comfortable shoulder strap is detachable for you to use the ergonomically designed hand grips. Additional zippered pockets have been designed to carry all the stuff a musician needs, such as your cellular phone, handheld organizer, metronome, pitch pipe, etc. The detachable water-bottle-holder can carry any size water bottle. There is even a slot for a pencil or conducting baton.