The HPRC (High-Performance Resin Cases) HPRC4050DK Waterproof Hard Case (Black) is a lightweight, waterproof, unbreakable case. The case can be used to carry audio, photo or video equipment and accessories. It meets ATA 300 specifications for shipping cases. The hard resin shells are virtually unbreakable and the interior rubber O-ring keeps the case air and watertight. The case has an air pressure release valve. It is carried by a super-soft rigid grip handle. This case has a divider kit system made of foam covering interior walls and bottom, one soft bag, one divider and egg crate foam for the lid. . The case is made in Italy and backed by a lifetime replacement warranty. Case Basics Fits video, audio, photo and any equipment requiring a hard, watertight, protective case Air Pressure Release Valve Temperature rating = +32 to +176°F (-40 to +80°C) Reinforced, double hinged locking system for increased safety and security Molded-in hasp allows for optional padlock Made in Italy Backed by a lifetime replacement warranty Construction Lightweight, unbreakable TTX01 resin exterior Crushproof, extreme weather/climate proof, acid corrosion proof and non conducting Divider kit interior made of foam covering interior walls and bottom, one soft bag, one divider and egg crate foam for the lid Neoprene PA66 O-ring keeps the cases air and watertight Reinforced corners Stainless steel hardware On Board Meets current international specifications of less than 45" (114.3cm) for carry-on luggage 1 Carrying Options SEBS rubber, super-soft rigid grip, folding top handle RBS (Roll Body System) allows an optional shoulder strap to follow the natural body movement while walking or running HPRC 4050 Certifications Meets or exceeds ATA (Air Transport Association) 300 rating for shipping cases IP67 military specification is an international standard IEC 60529 that classifies the level of protection that is provided against the intrusion of solid objects or dust, accidental contact, and water. The first digit indicates the level of protection that the enclosure provides against access to hazardous parts and the ingress of solid foreign objects. The rating of 6 indicates the highest level of protection - no ingress of dust, complete protection against contact. The second digit indicates the protection of equipment against harmful ingress of water. The rating of 7 (out of 8) ensures that entry of water in harmful quantity shall not be possible when the case is immersed in water under defined conditions of pressure and time (up to at least 1.0 m of submersion). STANAG 4280 and DS 81-41 are NATO equivalents for military specifications for standardized endurance and quality tests designed to simulate extreme situations Flammability rating of HB standard, V-0 available by Special Order: from UL 94 Flame Rating System