Slappa SL-iPad01 Case for iPad - Black/Black (SL-iPad01) 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 and rain (Test: up to 200 mm/hr for 1 hour) Sealed ports block blown sand and dust (up to 18 m/sec for 1 hour) Silicone cladding blocks vibration (18 hrs at 20 to 2000 Hz) Includes multi-position workstand