Coats Crochet Aunt Lydia's Bamboo Crochet, Thread Size 10, Natural Aunt Lydia's Bamboo Crochet Thread Bamboo-a Renewable Resource: Bamboo is considered a renewable resource because it can reach a mature height of 75 feet in two months Bamboo Facts: naturally anti-bacterial odor resistant breathable and cool 3 times more absorbent than cotton and durable and strong with a silky hand