Spinrite-Wool Up Bulky Yarn. Featuring excellent stitch definition, knits or crochets quickly for fast projects. Weight category: 6. Content: 80% Acrylic/20% Wool. Putup: 6oz/170g, 121yd/110m. Gauge: 9stsx12r = 4in/10cm on size US15/10mm knitting needles. Suggested crochet hook size US N-15/10mm. Dyelotted: we try but are not always able to match dyelots. Care: hand wash, dry flat, do not bleach, do not iron, do not dry clean. Comes in a variety of colors. Each sold separately. Imported.