The present invention relates to a fastening member comprising a base pane, a closure member extending laterally from the base panel, the closure member comprising a closure member upper edge and a closure member lower edge, and a fastening element disposed on the closure member, the fastening element comprising a fastening element upper edge and a fastening element lower edge, wherein the closure member upper edge comprises a concave portion along the fastening element upper edge and the closure member lower edge comprises a convex portion along the fastening element lower edge, and wherein the closure member extends upwardly laterally.