100% Acrylic Imported RED HEART boutique unforgettable yarn is soft roving yarn has amazing colors and creates fantastic garments Made of 100-percent acrylic It is available for 5-mm knitting needle and 6-mm crochet hook Knitting gauge is 19 stitches by 24 rows and crochet gauge 15 stitches by 18 rows Machine wash cold on gentle cycle, tumble dry low, do not bleach, do not iron and do not dry clean