... thenon -toxic ecology environmetal protection material. The Wool polishing ball is one kind of thee biodegradation, ... material.Specifications:Material: 95% australian woolColor: natural wool color Thickness: 10-25mmSize:diameter, 3-inch (75 ... 7,8-inch wool wool textile workball (of wool weaving up the hair line), 95% wool content.Can also ... ,crystal,glass,jedeware,furniture,stainless steel plate wool pad