Aunt Lydia's-Fashion Crochet Thread. This high luster mercerized cotton crochet thread is perfect for crochet projects both large and small. Suitable for fashion apparel and accessories. Features: size 3, 100% mercerized cotton thread. Put-up Solids: 150yd/137m. Put-up Metallics: 100yds/91m. Crochet Hook: 3D or 4E. Knitting Needles: US2-3 US. Crochet Gauge: 16-21dc=4in/10cm. Knitting Needles: 27-32S=4in/10cm. Care: machine wash gentle (max. temp 104F/40C), roll in towel & block, do not bleach, do not dry clean, do not iron. Dyelotted: we try but are not always able to match dyelots. Available in a variety of colors. Each sold separately. Imported.