Natural hair mixture. 

Theses brushes are designed mainly for the Waterbased Technique, but are also suitable for the Oil Based Technique. Varnished wooden handle, standard size
Uses: A very soft polishing brush particularly useful in providing the finishing touch to overall washes that have been applied a fraction too wet. Polishes out brush hair marks left by the stronger China Mop # 8. Also excellent for smoothing surfaces stippled with a sponge.