Find crochet thread including Aunt Lydia's Fashion Crochet Thread here at Knitting-Warehouse.com! Aunt Lydia's Fashion Crochet Thread is a premium crochet thread, soft and lustrous with a soft hand. Suitable for fashion apparel and accessories. 100% mercerized cotton. Size 3. Solids 150 yards. Metallics 100 yards. Our recommended substitute for article C45 & C46 which have been discontinued by Coats & Clark.