What is a Ball Jointed Doll (BJD)?
A. “A ball-jointed doll is any doll that is articulated with ball and socket joints. In contemporary usage when referring to modern dolls, and particularly when using the acronyms BJD or ABJD, it usually refers to modern Asian ball-jointed dolls. These are cast in polyurethane resin, a hard, dense plastic, and the parts strung together with a thick elastic.