A valve repair device and method of repair for the mitral valve of the heart is disclosed. The valve repair device includes a leaflet portion, a muscle portion, and a plurality of chords connecting the leaflet portion to the muscle portion. The leaflet portion includes a plurality of partition members to assist the surgeon in sizing the repair device to the patient. A single partition member may form the leaflet portion. Alternatively, multiple partition members may form the leaflet portion. A partition member may include predetermined openings for the attachment of a suture.