... quality with low price Boiled bristles:1.color:black ,nature white ,grey ,yellow...2.lenghth:44~152mm3.percentage:60%/90%Abristle ... ,also used are synthetic materials such as brooms and sweepers ,bristle are often used to make brushes for cleaning uses ,as ... and toliet brush ,the bristle brush is a common household cleaning tool ,often used to remove dirt or grease from pots and pans. pig bristle