From the Manufacturer:
This Red Heart team spirit yarn is great for supporting your favorite teams and schools. Made of 100-percent acrylic. It is available for 9 mm knitting needle and 5.5 mm crochet hook. Knitting gauge is 17 stitches by 23 rows and crochet gauge 12 stitches by 15 rows. Care instructions are, machine wash warm (max. temp. 104F/40C)on gentle cycle, tumble dry low, do not bleach, do not iron, do not dry clean. Made in USA. Comes in 5-ounce ball weight, 244-yard length.