The iPad Survivor Case is designed to withstand pretty much anything Mother Nature can throw at you & your iPad. Ridiculously over-engineered, or the perfect case for your iPad, no matter where you're headed? In fact it is a bit of both. The Griffin Survivor Case is one the most protective tablet cases around. Tested & certified to meet or exceed US Department of Defense Standard 810F, Griffin's Survivor Extreme-Duty iPad Case is designed from the inside out to protect your iPad from extreme conditions.. . 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, while hinged plugs seal the dock connector, headphone port, hold switch, camera, & volume controls. It also comes with a clip-on stand that allows for horizontal typing & viewing. Suitable for iPad 2, 3 & 4 ranges. The various aspects of the Griffin Survivor Cases were put through rigorous testing to confirm their resilience, passing with flying colours The Integral Display shield was tested for wind & rain deflection with a rate of up to 200mm/hr for 1 hour The sealed ports were tested for how efficiently they protected against sand & dust being blown in at speeds of up to 18m/sec for 1 hour The device was dropped on a flat concrete surface from 6"/1.8m to check how well the rigid internal frame protects against shocks & drops The silicone cladding was tested for how well it blocked out vibrations for 18 hours with testing ranging from 20 to 2000 Hz