iSkin has announced its adding to its line of mobile phone accessories with the revo4, Solo, and iSkin Enigma for the iPhone 4. Previously available for the iPhone 3G/3GS, all three products are now being re-designed to meet the needs of AppleĆs newest hand-held mobile phone device, the iPhone 4. Each case is designed to protect the back, top, and sides of the iPhone, while offering different forms of protection. The current revo case is made from a silicone material, and features built-in antimicrobial protection and an integrated docking port cover.