It is packed together with an insertion tube and Solid Rod in a Tyvek - Mylar film pouch or Mylar - Mylar film pouch. The insertion tube is equipped with a movable flange to aid in gauging the depth to which the insertion tube should be inserted through the cervical canal and into the uterine cavity. Centimeter Scale printed in blue is provided on the Insertion Tube for exact positioning of the flange on the Insertion Tube before Insertion.