Itty Bitty Bow sizes approx:   1-1/3" x 1/2" 

Standard Small Bow size approx.  2 x 3/4"

Standard Large Bow approx: 2-1/2" x 7/8"

Mini School Girl Bow size approx:   2 1/2" x 1 3/4" 

Classic Bow size approx:  3" x 1-1/8"

School Girl Bow size approx:  3-1/2" x 2-1/4"