Griffin 605529-SFPB Survivor All-Terrain Case for iPhone 5/5s/SE - Military-Duty Case (Black/Pool Blue) Independently tested and certified to meet conditions outlined in US Dept. of Defense MIL-STD-810 Integral Display shield deflects wind and rain (Test - Up to 200 mm/hr. for 1 hour) Rigid internal frame protects against shocks and drops (Test - Drop on flat concrete surface from 6'/1.8 m) Sealed ports block blown sand and dust (Test - up to 18 m/sec for 1 hour) Silicone cladding blocks vibration (Test - 18 hrs. at 20 to 2000 Hz)