Yarn weight
Worsted (9 wpi) ?
Gauge
15 stitches and 26 rows = 4 inches
in stockinette knit flat, blocked
Needle size
US 9 - 5.5 mm
Yardage
292 - 716 yards (267 - 655 m)
Sizes available
Size varies with flexible yardage, but standard sizes are S: 45"/114 cm wingspan, 10"/25 cm depth; M: 53"/135 cm wingspan, 15"/33 cm depth; L: 69"/175 cm wingspan, 18.5"/47 cm depth