Simply put, the Griffin Survivor Case is a protective case. Griffin's Survivor extreme-duty case is designed from the inside out to protect your iPod touch from extreme conditions like dirt, s&, rain, shock, vibration & a host of other environmental factors. Survivor is built on a shatter-resistant polycarbonate frame clad in rugged, shock-absorbing silicone. A built-in screen protector seals your multi-touch display from the outside environment, & hinged plugs seal the dock connector, camera lens, headphone port, hold switch & volume controls. A detachable heavy-duty clip secures your iPod touch to a belt or bag strap. Survivor is independently tested & verified to meet or exceed environmental testing standards for blown rain, blown dust & grit, vibration, shock, temperature & humidity.