... ion,bright colour,good watert-absorption,etc The wallf bamboofiber towel is made from the natural bamboo of 4-5years old ... anti-bacterial & moth-proof,silk-like hand feeling,bright corlour,green environmental protection ,etc.It also producing negative ion automatically.Science ... bamboo itself can produce negative ion. It is the green-fiber towel which can bring us healther living environment.It will be ...