The Purdy Syntox Flat Woodcare Brush gives a superior, ultra-smooth finish on wood which is so glossy and shiny it looks polished. The bristles are designed to mimic natural ox-hair brushes so have the same benefits but last five-times longer. It works best with stains, varnishes, oils or anything to leave a clear finish as well as water and solvent-based finishes. Specifications:Material: Chinex & Nylon blend synthetic filaments.Handle: Thin Rattail.Ferrule: Round edge. Care Instructions:Remove excess paint with the Purdy Brush and Roller Cleaner before rinsing your brushes in cleaning liquid.