1. Made of PC + acrylic + TPU, wear-resistant and durable. 2. The sliding cover design protects the lens from scratches. 3. It can fully protect the equipment from normal scratches, dirt, tearing and abrasion. 4. All buttons and ports are easy to access. 5. It has good performance and can be used for a long time. 6. Built-in screen protector against scratches and cracks without interfering the touch screen response.