The SKB iSeries Waterproof Acoustic Guitar Case is constructed of ultra high-strength polypropylene copolymer resin and features a gasketed, waterproof, submersible design that is resistant to impact damage. The 3I-4217-18 accommodates most Dreadnought guitars. The guitar case features molded-in hinges, patented -inchestrigger release-inches latch system with TSA recognized and accepted locks. Additionally, 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 all contribute to its military grade design. The platinum plush interior provides total neck support and protection on all sides. The case also features quiet-glide wheels and a convenient large accessory compartment.