... become glossy 2. can do any design on the TPU Specification: material Flex gel TPU material color pink,mican,milk ,blue,black,green,pastel ... ,mican,milk ,blue,black,green,pastel voilet 4.Special TPU(Thermoplastic polyurethane) material which can be twisted without cracking.5.Newest model ... -slim,weight less than 20g(0.7 ounce).2.Soft TPU material and glossy face so that will not stick to you ...