iNACU Metal Phone Case iPhone 6/6S, Tempered Glass Lock Button Full Cover, Aluminum Metal Uni-Body Protective Frame with Tempered Glass Back (Gold-Black) Materials: Tempered glass back with hardness and shatterproof, to protect your iPhone from shocks and scratches. 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: Creative slide button design makes easy assembling of the back cover to the frame. Accurate technical assembling design ensures your iPhone in full safeguard. Multiple Color Choices: Available in multiple colors for the four-side frame. Tempered glass back has many color choices as well.