Cango box is an innovative system from Mobica Plus that replaces the traditional drawer unit, letter tray or ordinary portable bag. This Cango letter tray is a creation of the renowned designers Martin Ballendat for the innovative company Mobica +. Alternatively, the Cango can be used as letter trays under a table, as mobile drawer units or simply as a portable bag for important documents. This makes it easy to take documents with you on the go, at home or at the office. This simple invention of Mobica + makes it possible to move back and forth flexibly with documents.