Red Heart Super Saver Bitty Stripes takes self-striping yarn to the next level with a palette of eclectic colorways designed with a blurry-stripe effect to give projects an artisan look. Each ball of this 100% acrylic yarn contains 10 ounces (515 yards) of worsted weight yarn in a range of self-striping multis. It holds the Oeko-Tek Standard 100 certification, meaning it has been tested and found free of harmful substances and is gentle on sensitive skin. It is machine washable for easy care. Perfect for blankets, accessories, and garments. Imported. 100% acrylic, #4 worsted weight yarn. 10 oz/283g/515 yd/471m ball. Machine washable. Imported. Oeko-Tek Certified. Crochet gauge, size I-9 (5.5mm) hook: 12 sc and 15 rows = 4" (10.2cm). Knit gauge in st st, size 8 (5mm) needles: 17 sts and 23 rows = 4" (10.2cm).