dental floss can clean dirty between tooth and keep your mouth fresh, it have the same function with toothpick, but it have more advantage, it can protect gingival, our floss is made of nylon66 and....
Hebei Fenghe Biotechnology Co. Ltd, specialize in this field for many years, with the strength of the dental floss, dental floss pick and the toothbrush kit with super quality and pretty competitive....