Learn more about Silicone and Silicone case: 1. Silicone material itself is soft. The silicone phone case hands feel comfortable. 2. Silicone material has good elasticity. The phone case made with silicone has a good buffer effect to protect the phone very well from shock and drop. 3.Silicone is an insulator, the good insulation is safer for cell phone users. 4.The silicone material itself has sticky, we have added a layer of feel oil on silicone surface, but it also will catches fiber or dust in some degree. But please don't worry it can clean easily with damp rag.