The iSeries 3i0705-3-XSW case is designed to accommodate the Sennheiser XSW-D ENG Set Wireless Audio System. The interior features a custom-cut high quality PE foam that will hold the Sennheiser Mini Jack TX, XLR Female TX, and Mini Jack RX, and also includes an accessory pocket that will house the lav mic and other accessories. SKB iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer resin, featuring a gasket-sealed, water and dust tight, submersible design (MIL-STD 810G) that is resistant to corrosion and impact damage. Standard features include a molded-in hinge, padlock loops, patented trigger release latches, snap-down rubber over-molded cushion grip handle, automatic ambient pressure equalization valve (MIL-STD 810G), and resistance to UV, solvents, corrosion, fungus and impact damage (MIL-STD 810G).