SWISS+CASE Protective Case for Motorola Razr M - Retail Packaging - Black/Black Shock absorbent, robust design for heavy duty usage. hermoplastic Polyurethane (TPU), possesses more wear/tear resistance than rubber. It provides excellent abrasion resistance. Its rigidity is greater than silicone skins, yet it consistently remains flexible. Indented grip on back and sides provides users with extra dexterity and control. Flip-out stand on backing for video viewing convenience. Screen left exposed for full functionality.