UBOX by Edouard BoulangerU Box the best card case created by Edouard Boulanger and Jeremie Josi. During one of our meetings Jrmie presented me with a card case offering many possibilities. For my part, I had developed for several years a case with multiple functions. Two completely different but complementary principles. We decided to merge our cases to offer you the best box on the market. The U Box is a real Swiss knife. With more than 7 functions, it offers you endless