1. Material: TPU+2.0mmPC+N52 magnet 2. Process: Injection molding (built-in magnet) 3. Newly upgraded magnetic, MagSafe charging support 4. The airbags in the four corners for anti-shock protection, soft and do not hurt the phone 5. The four corners of the PC are heightened to prevent daily scratching 6. Hightened camera openings to protect the phone lens