A bobbin includes an anti-rolling unit capable of supporting the bobbin to prevent the bobbin from rolling on a floor. The bobbin includes a cylindrical part around which a wire is wound, flanges provided at left and right sides of the cylindrical part, a through hole defined through a central portion of the cylindrical part and central portions of the left and right flanges, a handle part including a pair of support shafts, which protrude so as to be fitted into the through hole from left and right flanges, and left and right support rods having end portions fixed to the support shafts, respectively, and extending in parallel to the left and right flanges while making contact with outer surfaces of the right and left flanges, and an anti-rolling unit for the bobbin.