The accessory compartment measures 7.5 x 1.375 x 3 inches and is perfect for smaller cables and adapters. SKB Cases iSeries 0806-3 Hard Case in Black is specifically designed to protect the Zoom H4essential portable recorder, with closed cell foam in the base to hold the recorder and space for a memory card and accessories. SKB Cases iSeries Injection Molded Mil-Standard Waterproof Case is 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.