The SKB 3SKB-3018M Max Protection Series ATA Shipping Case without Foam (Black) is a road tough military-style shipping case designed for taking real abused and protecting the contents. The case meets ATA specifications for transit and shipping cases. It has a gasketed, heavy-duty 'L" valance that ensures a secure closure. The MP ATA case is made of Thermoformed Polyethylene shipping case that is resistant to UV, solvents, corrosion, fungus and impact damage. It has molded-in protective bumpers, a heavy duty twist latch system and will accept optional padlocks. There are spring loaded handles and the case can be stacked securely.