A structural problem is ignored here, because the material is resistant to falling, but if the structure is unreasonable, the mobile phone cannot be harmed. In addition, the mobile phone case is actually made of a combination of two different materials, which is actually better than one material. The structure is more resistant to falling, which is using internal tpu or silicone soft material, outsourcing using the combination of pc plastic and metal materials. This structure is the most resistant to falling, but its production cost is very high, and the process production requirements are high. It may not be possible to have An ideal sales price cannot be recognized and consumed by the mass consumers, which is why many good structured mobile phone cases have not been seen by everyone. Too far, what material is resistant to falling? This is definitely a thick enough silicone or tpu, but the silicone feels sticky when the touch layer is dropped, the tpu is transparent and yellow, and the black is ugly. How would you choose? If you are simply protecting against falling, then this structure is basically enough.

The back is made of hard material, and the sides are made of soft material. The soft material will turn yellow, and the hard back will not turn yellow … buy more if it turns yellow.