1. Made of 3-layer screen frame, hard PC covers and a soft silicone outer shell, provides a comprehensive protection. 2. Provide a full protection from dust, shock, scratches and bumps and other daily damage. 3. Precise cut and design; easy access to all ports, sensors, speakers, and cameras. 4. It is simply shaped and turned to leave a pure and comfortable impression on everybody. 5. Outer enclosure hard shell and doubly-reinforced with a shock absorbing silicone inner-sleeve. 6. Can be converted into a stand case with different viewing angles.