The 3I-2617-12BD Pro Audio Utility Case measures an impressive 26" Long x 17" Wide x 12" Deep with padded dividers for customization to your gear, is molded of ultra high-strength polypropylene copolymer resin, and features a gasketed, water and dust tight, submersible design (IP67) that is resistant to corrosion and impact damage, and an automatic ambient pressure equalization valve (MIL-STD-648C) to assist with moisture control.