The metal plate is made from high-precision aviation aluminum, colored by anodizing process. The four corners and ring are made from zinc alloy, which gets a better hardness, strong anti-corrosion and shock-resistance. Four wider and thicker corners with flannel lining to avoid scratch. The edges are processed by polishing. Four corners are polished by machine tool and electroplated by vacuum. 

• Provide your phone good protection

• Good heat dissipation, not fade and scratch-resistant

• Premium three-dimensional texture and metallic luster

• The ring can function as a stand for your hands-free viewing
  

• Secure fit ring, not easy to fall off

• Four corners are wrapped

• Note: this case will be delivered under the state of unassembled due to the inconvenience of your reinstallation work, please be note, thanks.