Blue 2 PC Hybrid Hard PC Soft Silicone Brushed Metal Aluminum Galaxy S4 Case - Ultra Low Profile, Slim Fit Premium Quality Polished Brushed Aluminum Back Cover - Galaxy S4 i9500 Cases and Covers Slim, light weight, and perfect fit for Samsung Galaxy S4 i9500 only. Outer back cover made of high quality durable hard polycarbonate PC material with brushed-metal Aluminum inlay on the back surface. Inner layer made of soft and flexible silicone material. Uniquely designed hidden card slot on the back of the silicone layer in between the 2 pieces for your convenience. 2 piece hybrid snap-on back and frame cover case only, phone not included.