Red Heart Classic Crochet Thread 1000 Yards is size 10 bedspread weight, 100% mercerized crochet cotton thread. This crochet thread is ideal for bedspreads, table cloths, doilies, apparel and accessories. 1000yd (914m). Recommended Crochet Hook US 7 (1.5mm). Recommended knitting needles US0-1 (2-2.25mm). Dyelotted. Although we try to match dyelots we cannot always guarantee it. Machine wash gentle, do not bleach, dry flat. Imported.