SKB cases 3I-1914N-8B-E I series 1914n-8 waterproof case (empty), Ultra high-strength polypropylene copolymer resin, resistant to corrosion and impact damage the 3I Series of waterproof cases are the perfect solution for storing and transporting your delicate electronics, A/V equipment, microphones, mixers, cables, computers or percussion and music accessories. 3i series injection molded waterproof cases are constructed of ultra-high strength polypropylene copolymer resin and feature a gasketed, waterproof and airtight, submersible design that is resistant to corrosion and impact damage. Its continuous Molded-in hinge, patented "trigger release" Latch system, comfortable, snap-down rubber over-molded cushion grip handle, secure stacking, and automatic ambient pressure equalization valve all contribute to its military grade design. ultra-high strength polypropylene copolymer resin> complete gasket seal makes these cases watertight automatic ambient pressure equalization value resistant to corrosion and impact damage Molded-in hinges patented "trigger release" Latch system rubber over-molded cushion grip handle gray padded dividers for convenience and protection> locking loop to accept a customer supplied lock specifications interior length: 19. 00" interior width: 14. 25" interior Depth: 8. 00" exterior Length: 20. 25" exterior Width: 16. 93" exterior depth: 8. 78" lid depth: 2. 00" base depth: 6. 00" Shipping weight: 11 pounds> product weight: 9. 60 pounds.