1. It is less elastic than silicone case and good-shaped in a natural gesture 2. Compared with the ordinary plastic, the TPU material has more excellent wear resistance, brighter color characteristics and is not easy aging 3. TPU material is also resistant to oil, water, and cold 4. It is not easy to harden and become brittle in winter 5. Slim fit and lightweight, easy to carry everywhere 6. Easy access to all buttons and ports