BERNAT-Boa Yarn. This eye lash novelty yarn in fantastic shades for fantastic projects. Quick to knit and crochet into soft lush fabric: perfect for scarves and accessories. Modern fun and irresistible. Weight category: 5 100% polyester 3.5oz/100g 142yd/129.8m. Gauge: 14st x 17r = 4in/10cm on size US9/5mm knitting needles. Recommended crochet hook size K10.5/6.5mm. Dyelotted: we try but are not always able to match dye lots. Care: hand wash dry flat do not bleach do not iron do not dry clean. Imported.