This UDG Urbanite MIDI Controller Sleeve is designed to fit a range of popular controllers, including the Pioneer DDJ-FLX4, Akai MPC Live II, Numark Mixtrack Pro FX, Denon DJ Prime Go, NI Traktor S3, S4 MK3, S2 MK3, S5, and Pioneer DDJ-400/RB/SB3, or similar sized controllers. It features an egg crate interior to protect jog wheels, faders, and buttons, along with adjustable foam inserts to customize the main compartment to your specific gear. The exterior is made from water-repellent laminated 600D polyester and includes easy-grip zipper pulls, a convenient carry handle, and a padded shoulder strap for comfortable transport.