This soft case for transporting the KORG Monologue features a convertible design that lets you change the position of the straps to use the case in two different ways: as a day pack carried on your back, or as a messenger-style shoulder bag. Internally, there is space to accommodate up to a 17-inch MacBook or a 15-inch Windows notebook computer.The bag is made of a neoprene material used in wetsuits. Lightweight, durable, and full of cushioning, the MP-MONOLOGUE will safely protect your valuable equipment.