Roto molded for strength and ergonomic design, these cases are impenetrable, yet lightweight with an LLDPE shell for maximum impact resistance. UV, solvent, corrosion, and fungus resistant with black powder coated stainless steel hardware to prevent rusting. Comfortable, spring-loaded, rubber over molded handles, these cases are designed to withstand levels of punishment in excess of all ATA and most industrial and military shipping specifications.