Mattel Red Ballet Box with Blue Dancers 1966

This is a vintage 1966 Mattel "Ballet Box" red vinyl dance case.  It was designed to carry ballet shoes, leotards, and tights.  The case features vibrant ballet-themed graphics on the front.  It came in various colors, including red and pink versions.  It was produced by Mattel, Toggle clasp missing. Writing on inside as seen in pictures.