The Lace & Picots Choker is a simple project that can be finished within a few hours. It closes either with two buttons or two pairs of ties in the back. The pattern comes with a chart and in three sizes (31cm, 35cm, 40cm / 12.2, 13.8, 15.7 inches) but instructions for easy alterations are included.

Hook:
2.5mm (US C/2 or UK 12)

Yarn:
crochet thread, size 10

I used ~5g of:

Gründl 100
100% cotton
100g equal 566m (619 yards)

or

Rico Essentials Crochet
100% cotton
50g equal 280m (306 yards)

Yardage:
30 - 38m (33 - 42 yards) with button closure
yardage may vary depending on yarn

Materials:
needle for weaving in the ends
optional: 2 small buttons (~9mm / 0.4 inches diameter)

Gauge:
26 stitches x 13 rows
equal 10 x 10cm (4 x 4 inches)
with dc when crocheting in rows

Techniques:
crocheting in rows, picots