BOW TIE SIZING GUIDES LARGE - 7" x 4" - Fits best on collar widths 1" - 2" MEDIUM - 5" x 3" Fits best on collar widths .5" - 1.5" SMALL - 4" x 2" Fits best on collar widths .5" - 1" XSMALL - 3" x 1.5" Fits best on collar widths .25" - 1"