Luxury Ultra-thin All Metal Aluminum Case Cover For Samsung Galaxy S4 IV I9500(Sliver Frame+Black Back) This is luxury Aluminum All Aluminum Metal Case Cover For Samsung Galaxy S4 IV I9500. There are 2 part for this case with screw fastening t's minimalist appearance,The case is CNC machined from a solid block of aircraft grade aluminum. it's strong and light! The finish of the case is anodized to create a hard protective coating in brilliant colors.Streamline line design. Precise openings on the protector case to allow access to all controls and features on the phone