SKB is revolutionized the industry with the INJECTION molded acoustic guitar case! The iSeries 4217-18 accommodates most Dreadnought guitars.iSeries injection molded waterproof cases are constructed of ultra high-strength polypropylene copolymer resin and feature a gasketed, waterproof, submersible design (IP67) that is resistant to corrosion and impact damage. Its molded-in hinges, patented ''trigger release'' latch system with TSA recognized and accepted locks, four reinforced locking loops for customer supplied locks, comfortable, snap-down rubber over-molded cushion grip handles, secure stacking, and automatic ambient pressure equalization valve (MIL-STD-648C) all contribute to its military grade design.The platinum plush interior provides total neck support and protection on all sides.The iSeries 4217 Acoustic Dreadnought Flight Case also fits the Acoustic Auditorium. Interior dimensions: 1048 x 432 x 191 mm.