RED HEART gumdrop yarn comes in a variety of bright and trendy colors. It is perfect for kids projects, toddlers and even adults too! this is a 100percent premium acrylic size 4 medium worsted yarn. It is a 204 yard length in a 4 oz. ball. We recommend a size us i-9 crochet hook and size us 8 knitting needles. Machine wash on warm, gentle cycle. Tumble dry low. Do not bleach or iron.