PURPOSE: To provide the manufacture of a webbing employed by a seat belt device for a vehicle and the like where no difference in level is encountered at a label sewn section when the webbing is taken up or pulled out, and parts and manufacturing processes are prevented from being increased in number.

CONSTITUTION: In the manufacture of a webbing 2 for a vehicular seat belt with an indication of requirements 3, which is pulled out/rolled in by the retractor of the vehicular seat belt device, the requirements 3 are printed using high energy line hardening ink, and high energy line is irradiated onto the ink thereafter so as to be hardened.