Because it is made from one of the best fibers, currently available. Bamboo is anti-microbial, anti-fungal, hypoallergenic, odor resistant and so much more. Bamboo grows like a weed naturally, and requires no pesticides to keep it healthy. When harvested for use, the roots remain, and the plant regenerates quickly. All of this combines to produce one highly effective and Eco-friendly Facecloth.