Trident Case Kraken A.M.S. Case for Apple iPad Air-Retail Packaging-U.S Army Life Kraken A.M.S. features a three-in-one case, transforming a heavy-duty Kraken A.M.S. case to a light-weight Perseus case. Built-in screen protector provides the ultimate screen protection. Silicone is on the inside, with a hardened polycarbonate exterior, providing outstanding protection against impacts. Kraken A.M.S. features a hard exterior making it less susceptible to wear and tear. Meets Military Standard MIL-STD-810F: vibration, dust, sand, rain, drop (Independently Tested). Green Protection - recyclable, degradable, and compostable plastic