Survivor is the most protective case we39ve ever built designed and tested to meet or exceed us department of defense standard 810f griffin39s survivor extreme duty case is built from the inside out to protect your iphone from extreme conditions dirt sand rain shock vibration and 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