The C.E.O. Premiere for iPhone 4 iPhone 4 GSM/CDMA is a premium, genuine leather hip case with a slim belt clip. This elegant holster case offers style and functionality. The attached belt clip is so low profile and unobtrusive that you can easily slip the case into a pocket, purse, or briefcase. A unique push-through opening at the bottom of the case helps with removing the iPhone quickly. A durable Velcro closure keeps your iPhone securely in the case, and won?t cause antenna or GPS interference like magnet cases. The leather we use is RoHS compliant (Restriction of Hazardous Substances) and better for the environment.