GOGO IPhone 3G 3GS Ultra Slim Case with Screen Protector - Mirror Platinum All functions are accessible without removing the case. GoGo Case is made of polycarbonate with excellent soft touch feeling. Normally, other rubber cases on the market tend to scratch very easily and tend to collect dust. GoGo Case is easy to put on and remove. It is one of the fewest cases in the market with its slip-free and snap-on features. GoGo Case is painted with multi-layer high quality coating and GoGo Case is coated inside and out with same color (unlike other polycarbonate cases, only the outside is coated). Despite its sturdy structure, GoGo Case is the thinnest and lightest in the market without breakage. It weighs less than one (1) ounce, and add less than 1mm thickness on the iPhone itself.