This is the Gator GM-1WEVAA. A part of their Wireless System Cases Range. It is a EVA Foam Case for A Single Wireless Mic System; half rack. Slim Rigid 5mm EVA Rubber Foam Design with Holds Most Common Sized ""Half-Rack"" Wireless Units. Features include - Front and rear access unzips for easy setup in the field, Zipper access to allow antenna to be in place and functional while in bag, Storage for receiver, handheld microphone, power supply, belt pack transmitter, and lapel microphones, and .