Secondly, there are soft plastic shells with rich patterns, which can also be made into smooth, flat or embossed styles. Finally, there are hard metal shells that have the feeling of "hurting a thousand enemies and damaging 800 by themselves." If they fall too sharply, the protective shell may even break together with the phone, but the feel of the sanded hard shell can be said to be first-class. What's more, whether it's a hard shell or a soft shell, a fully clad shell can greatly improve the drop resistance. Whether it's for safety reasons or for the feel of the hand, a fully clad shell is a very good choice,. Drop resistance: Silicone soft shell>Full wrapped general plastic soft shell>Full wrapped hard shell>Half wrapped soft shell>Half wrapped hard shell Feel: Frosted hard shell>Frosted soft shell>Smooth faced soft shell>Silicone soft shell Although this is generally the case in most cases, unreasonable structure can also cause damage to the phone,. The interior uses TPU or silicone soft materials, and the outer layer uses PC plastic or metal materials, making it more resistant to falling. However, the production cost is high and the price is on the high side, which cannot be recognized by most consumers.