Red Heart-Super Saver Jumbo 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 Heather & Multi: 100% acrylic. Putup Multi & Heather: 10oz/283g, 482yd/440m. Putup Solids: 14oz/396g, 744yd/680m. Gauge: 17stx23r= 4in/10cm on size US8/5mm knitting needles. Suggested crochet hook size I9/5.5mm hook. Multi & Heather 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.