1. Simple, fashion, convenient to carry. 2. All buttons and ports are easy to access. 3. The design is perfect, and the precision fits for your phone. 4. With good performance and high quality, it may work for a long time. 5. Non-toxic and odorless, has excellent wear resistance, not easy ageing. 6. It adequately protects device from the normal scratches, dirt, tear and wear. 7. It is simply shaped and turned to leave a pure and comfortable impression on everybody.