Size 18mm: Fit for cut the fabric 36mm widths; size 25mm: Fit for cut the fabric 46mm widths Bias tape makers of 5 size: 1 / 4 " 3 / 8 " 1 / 2 " 3 / 4 " 1 " ( 6mm 9mm 12mm 18mm 25mm Size 6mm: Fit for cut the fabric 12mm widths; size 9mm: Fit for cut the fabric 18mm widths; size 12mm: Fit for cut the fabric 24mm widths Make any fabric into accent, border or trim Pull the fabric through and iron fold it perfectly, ready for sewing on or gluing