Also called a courier bag, a messenger bag is a type of sack, usually made out of some kind of cloth (natural or man-made), that is worn over one shoulder and often used by bicycle messengers. These bags are hip and cool with young and mature alike and are most often seen in urban environments.
Adjustable and removable shoulder strap and backpack straps Detachable and machine washable changing pad that rolls out for easy access Lots and lots of internal and external pockets for bottles/diapers, books/documents or drinks/gym towels