Red Heart-Super Saver Yarn. This medium weight has been America's bestselling yarn for over seventy years! Perfect for all knit and crochet projects. Weight category: 4. Content Solids & Multi: 100% acrylic. Content Flecks: 96%acrylic/4% other fibers. Putup Multi & Flecks: 5oz/141g, 236yd/215m. Putup Solids: 7oz/198g, 364yd/333m. Gauge: 17st x 23r = 4in/10cm on size US8/5mm knitting needles, Suggested crochet hook size I9/5.5mm hook. Dyelotted: We try but are not always able to match dyelots. Solids are not Dyelotted. Care: machine wash, tumble dry, do not bleach, do not iron, dry cleanable. Made in USA.