To fit: 20 inches (but just knit it as long as you want!) Measure around your head and use this measurement for the length of your neckwarmer.
Required: 2 colours of double knitting yarn (about 25g of each)
Needles: Metric 3.75mm
Tension: 22 stitches x 30 rows = 4 inches using 4mm needles over stocking stitch
Abbreviations: instructions written in full