Hit the road with iFrogz Treadz for iPhone. An aggressive tire pattern makes this case unforgettable. Made from extra-thick 100% polished silicone, this case offers great style and ultimate protection. Adopting the advanced silicone technology of other iFrogz silicone cases, the Treadz case is specially treated to repel lint, dust, dirt and sand that seem to stick like mud to lesser silicone cases.