Kraken A.M.S. Series cases are the absolute strongest, most durable cases we make. Kraken A.M.S. consists of shock-absorbing silicone inner layer, covered by a hardened polycarbonate outer-casing, with a built-in screen protector, to provide maximum protection. This case Series includes silicone on the inside, with a hardened polycarbonate exterior, making it less susceptible to wear and tear. The double-thick, impact-resistant silicone corners protect your device from accidents, and the tough polycarbonate exterior provides a stylish and rugged surface for maximum protection. Kraken A.M.S. protects device power-ports, audio-jacks and speakers with silicone plugs and dust filters to keep out dirt and debris. Each case includes patent pending audio technology that redirects sound to the front of the tablet to provide an enhanced audio experience. Kraken A.M.S. cases meet Military Standard MIL-STD-810F for Vibration, Rain, Dust, Sand and Drop.