... Good impact strength 4) High density Resin ball with metal threaded insert (1) Imported acrylic material(PMMA, ... Plexiglass).(2) Solid with holes,without holes,various styles are available,we ... available,so the ball can be printed with your own logo or put it into ... beautiful.(4) The transparent,semitransparent ,solid/ with holes and anything inside we can supply for ...