The poc vpd 20 iphone 5 case has been engineered just as a helmet would incorporating an inner and outer shell into its design this phone case excels at keeping your phone in pristine condition the outer shell of the poc vpd 20 iphone case has been made from a polycarbonate material preventing any damage from occuring thanks to its ability to spread the force of an impact over a larger area things only get better with the inner vpd 20 shell utilising the innovative impact syste