SPINRITE-Satin Yarn For Breast Cancer. Create heartfelt clothing and accessories for loved ones of these beautiful yarns created to celebrate Breast Cancer Awareness Month. A portion of the proceeds from sales of these yarns will be donated to the Susan G. Komen for the Cure Foundation and to the Canadian Breast Cancer Foundation. Weight category: 4. Content: 100% acrylic. Putup: 4.5oz/120g, 251yd230m. Gauge: 18st x 24r =4in/10cm on size US8/5mm knitting needles. Suggested crochet hook size H8. Dyelotted: we try but are not always able to match dyelots. Care: machine wash and dry, do not bleach, do not iron, do not dry clean. Imported.