Protein fiber health towels are towels made of natural silk, soy protein, milk protein fiber and other materials. Natural silk and wool also contain 18 kinds of amino acids the same as the human body, people can use it as "skin blindness". Soy protein towel is a blend of soybean fiber and acrylonitrile. It contains protein molecules with hydrophilic groups such as amino group and hydroxyl group. It has a pleasant gloss, smooth feel and rich elasticity.