The development of smartphones and tablets has driven the development of the entire industry chain. Protective cases have developed with the development of smartphones and tablets. In order to meet the needs of users, major manufacturers have produced a large number of mobile phone protective cases product. Mobile phone case is an important mobile phone accessory that can protect and decorate your phone. There are many kinds of materials for mobile phone protective shells. Til now, the most common protective shells in the market are silicone, TPU, PC, TPE+PC. Let's take a look at the characteristics and differences of various materials of protective shells.