From the Knit Rowan website:
Knit these wonderful accessories; straight edge tie & bow tie, an exclusive free pattern to download. Designed by Sarah Hatton and Pauline Ellis the straight edge tie & bow tie can be knitted as a set from one hank of hand painted Fine Art (merino wool, kid mohair and silk). For a spot of feminine Christmas party glamour, why not knit the bow in shimmering Kidsilk Haze Eclipse (mohair, silk, polyester and nylon), to create an adornment for a bag, belt or head band (as pictured here).

Finished dimensions:
Tie measures approximately 6 cm (2.5 inches) at widest point and 147 cm (58 inches) long.
Bow tie measures approximately 13 cm (5 inches) wide and 5.5 cm (2 inches) deep.

Yarn Information:
Necktie Photographed in Fine Art colorways Lapwing 306 and Chiff-Chaff 308
1 skein
437 yards

Bow Tie Photographed in Kidsilk Haze Eclipse colorway Pisces 455
2 skeins
438 yards

Extras:
Approx 40 cm of black 10mm wide elastic, for bow tie.
You may also wish to sew a length of petersham ribbon to the
inside of the tie to add more structure