WIRELESS SOLUTIONS Dura-Gel Case. Plum Pink. The Dura-Gel case is made from thermoplastic polyurethane (TPU). This carrying case provides the rigid protection from a crystal case and the flexibility of a silicone case in a smooth, glossy finish. Its rigid, structural thermal-formed body provides excellent impact protection, durability, and fit while the advanced TPU material offers flexibility and tactility like a standard gel case. The sleek design of this Dura-Gel case protects your phone without adding unnecessary bulk. This case has an open face and precision cut outs that provide full access to the screen, connector, and buttons.