... art brush, size:0#,2#,4#,6#,8#,10#,12#,14#,16#, top quality, weasel's hair , for use with oil and acrylic ... paints, art brush,size:0#,2#,4#,6#,8#,10#,12#,14#,16 ... #,top quality,weasel's hair for use with oil and acrylic ... prior to washing and rinse thoroughly.Ensure the brush is completely dry before storing.