DESIGNED TO PROTECT VARIOUS ELECTRONICS INCLUDING EXTERNAL HARD DRIVESWATERTIGHT GASKET - Tight seal created when case is shutThe easy open latch remains shut under pressure or after impactAUTOMATIC PURGE VALVE - Keeps water and dust out while balancing air pressureLarger sizes include Pick N Pluck™ with convoluted lid foamRemovable shoulder strap includedLifetime Guarantee of ExcellenceWATERTIGHT, CRUSHPROOF, AND DUSTPROOF BODY: ABSLATCH: ABSPURGE BODY: PolycarbonateLID O-RING: EPDMPURGE VENT: PTFEPINS: Stainless SteelPURGE O-RING: 70 Shore Nitrile Product Documents: