Christmas Latest Design Griffin Survivor Cases with Stand for Iphone 4s Shockproof Dustproof Waterproof Cover (Red Black) Griffin Survivor Extreme-Duty Case with Belt Clip for iPhone 4/4S Fits iPhone 4/4S models from all carriers. Independently tested and certified to meet conditions outlined in US Department of Defense MIL-STD-810 and UK Department of Defense Def-Stan 00-35. Integral Display shield deflects Wind/Rain (Test: Up to 200 mm/hr for 1 hour). Rigid internal frame protects from Shock/Drop (Test: Drop on flat concrete surface from 6'/1.8 m).Sealed ports block Blown Sand/Dust (up to 18 m/sec for 1 hour).