Thanks to the amazing artistry and engineering from Feld & Volk, a customized mobile device with glitz and glamour is at your fingertips. Using materials such as titanium, gold, carbon fiber, sapphire glass, Louisiana alligator leather and Karelian birch wood, Feld & Volk does not cease to amaze. The company constructs exclusive high-end designed cases for iPhones, Sony PlayStations and iPads. In fact, they're the first company to create an iPhone 5s modification made of pure gold.