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 and Multi: 100 percent acrylic. Putup Multi and 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 and 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. Made in USA.