Pet steps into this officially licensed The Joker pet costume and with the faux arms, add the included green wig and your four legged best friend becomes your favorite super villain! Combine with the Harley Quinn costume for a fun duo! Read THE RUBIE'S PET SIZE CHART and WATCH THE SIZING INSTRUCTION VIDEO, do not select size based on breed; consider costume style and animal shape before ordering. Family-focused, and based in the U.S.A. since 1951, Rubie's has classic and licensed costumes and accessories in sizes and styles for the entire family, of course they'd remember your four-legged best friend.