Kraken A.M.S. Case for Apple iPhone 5/5S Kraken A.M.S. includes a tough exoskeleton, featuring hardened polycarbonate, providing a stylish and rugged surface for maximum protection. Impact-resistant silicone corners of the case protect your device from accidents. Kraken A.M.S. includes silicone on the inside, with a hardened polycarbonate exterior, making it less susceptible to wear and tear, and easy to get in and out of pockets. This case Series protects device power-ports and audio-jacks with silicone plugs to keep out dirt and debris, and the built-in screen protector provides the ultimate screen protection.