... Product Description we make chungking boiled bristles ,various brush filament or synthetic filament with PBT, PET, PP, PE, PS, PA ... to clients'requirement. Hollow synthetic filaments for making paint brushes Colour: golden, white, balck, white/black mixture Diameter ... Material: polyester/pet Solid synthetic bristles for making paint brushes and brooms Colour: white, black, white/black mixture ...