New Metal Aluminum Carbon Fiber Protective Case Cover for Samsung Galaxy S4 i9500 There are 2 parts for this case. CNC carved the pattern on the sides of the frame. The new carbon fiber material covered on the aluminum keel. So it strengthens the signals for the new material. It's strong and light! The finish of the case is anodized to create a hard protective coating in brilliant colors. Streamline design. Material: aircraft grade anodized aluminum, New Material of carbon fiber. CNC carved the pattern on the sides of the frame. The Case is wrapped around all your Samsung Galaxy S 4 IV GT-i9500's edges and protecting your Phone from bumps and drops. Charge without taking off