Griffin Blue/Blue Survivor All-Terrain Case + Stand for iPad Air - Military-Duty Case Independently tested to meet conditions outlined in US Department of Defense MIL-STD-810 Protects your tablet from 6.6-foot (2 meter) drops onto concrete Integral Display shield deflects wind and rain (Test: up to 200 mm/hr for 1 hour) Sealed ports keep out windblown rain, sand, and dust Rigid internal frame protects against shocks and drops (Test: drop on flat concrete surface from 6'/1.8 m)