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 and hinged plugs seal the dock connector camera lens headphone port hold switch and volume controls a detachable heavy duty clip secures your ipod touch to a belt or bag strap independently tested and certified to meet conditions outlined in us department of defense mil std 810 and uk department of