Peli Case Made of super light, proprietary HPX² polymer and thus up to 40% lighter than other polymer cases, Shock-resistant, waterproof, oil and grease resistant, Pressure equalization valve (does not allow water and...

"SKB 3i Series 3424-12 Utility case, Oversized heavy-duty handles and wide-set double wheels, UV, solvent, corrosion and fungus resistant, Automatic ambient pressure equalization value, Resistant to corrosion and impact..."

Equipment Case Shock-proof, Water-tight, Oil and grease-resistant, Pressure equalisation valve (equalises the pressure in the case, prevents water from penetrating), O-ring seal, Military standard, Stainless-steel...