iNACU iPhone 6/6S, Leather Back Full Cover, Aluminum Metal Uni-Body Protective Frame with Premium Leather Back (Silver-Brown) Materials: Back cover made from premium finished leather for a luxury feel. Knurling design delivers a beautiful balance of fashion and function. Streamlining aluminum body on the four-side frame with beauty metal shine. More Protection: Metal phone case for iPhone 6 / iPhone 6S. Aluminum material four-sided outer frame provide lightweight, durability and supreme tough protection. Inside Design: Frame inner side surround by impact-resistant lining, which is hugging your iPhone in a soft and cozy environment. The delicate inside design also reflects in the inner side of all port, and are D25 round cutting and polished. Easy Installation: Slide the back cover down to the metal frame end. Its easy to set your iPhone in full protection. Accurate technical assembling design ensures your iPhone in full safeguard. Multiple Color Choices: Available in multiple colors for the four-side frame. The leather back is unique.