BERNAT-Bamboo Chunky. This chunky yarn is a naturally eco-friendly fiber that requires no pesticides or fertilizers to grow and is quickly replenished. It is strong as steel but spun into a fiber and is soft as silk. A natural luxury yarn ideal for knit and crochet garments. Bamboo yarn is made by processing the stalk and combing the fiber strands. It has a cool and silky soft touch that knits and crochets with a beautiful drape. It is an itch-free naturally hypo-allergenic; anti-bacterial and is three times more breathable than cotton. Weight category: 5; 86% bamboo/12% acrylic/2% polyester; 2.1oz/60 grams; 63 yd/57m. Gauge: 14 st x20 rows = 4in/10cm on size 10/6mm knitting needles and J10/6mm crochet hook. Care: hand wash; dry flat; do not bleach; do not iron; do not dry clean. Made in USA.