Bamboo lyocell yarn, the ture eco-friendly bamboo yarn is bron, made by the lyocell process. "Bamboo lyocell fiber", also can say " ... bamboo yarn made by the lyocell process".It is the ture eco-friendly bamboo fiber is bron, made by the lyocell process, similar ... most of the bamboo fibers are mainly made from bamboo pulp by the viscose process. It is actually rayon, now, many people has ...