Griffin Survivor Extreme-duty Military Case with Stand for Ipad 2/3/4 (Black) Shock and Drop proof- Tested on concrete floor from 6ft Sand/'Dust proof - Tested 3 hrs at up to 59f /sec Vibration proof - tested 18 hrs at 20-2000hz Wind/rain proof - tested 1 hour at 7.8 in/hr Armoured Survivor case - ready for anything ! Military duty case with stand