Submitted by mnwd on Wed, 07/30/2008 - 12:52. Made from high density Polypropylene / Polycarbonate plastic that is virtually impenetrable by knife or screwdriver, utilising the unique castellated mating edge. Multiple concealed locking points between case and locking spine. Size of case is equal to that of a standard DVD case and the accepts the original DVD slick. Two disc storage per case.