Get in full swing with the UDG midi controller sling bag. Great for your Native instruments Traktor Kontrol S4. The UDG Ultimate MIDI Controller SlingBag Large is a basic yet highly functional bag for those DJ's who need to carry their large MIDI controller to and from their gigs. Although designed primarily with the Native Instruments S4 controller in mind, the bag will also fit products such as the Vestax VCI-400, Denon DN-MC6000 and American Audio VMS4. Comes with padded main compartment with luxury egg crate foam to store your controller while having the knobs and faders protected while traveling.