Billow Luxury Armour Silicone Plastic Dual Protective Back Cover Extreme-duty Military Standing Shell for Ipad Air Rainproof Sandproof Dirtproof Shockproof (Blue) Integral Display shield deflects wind and rain Rigid internal frame protects against shocks and drops Silicone cladding blocks vibration Includes multi-position workstan. 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.