ANVIL A.T.A. cases offer the ultimate in protection. Designed to meet or exceed the Air Transportation Association Specification 300, Category 1, A.T.A. cases are the most durable reusable transit cases available. Constructed to perform under the most exacting conditions, Anvil A.T.A. cases provide unsurpassed function and reliability. Exterior panels are built with strong, solid components, and interiors are custom-designed with precision-sculpted unicellular foam to provide maximum shock absorption and safety from damage due to vibration. The result is uncompromising fit and maximum protection.