nicpro 15 pcs professional watercolor paint brushes set, artist synthetic fine squirrel brush round tip for adult detail, gouache, acrylic, oil painting nicpro materials:<br> hairs: synthetic squirrel hair<br> ferrule: aluminum<br> handle: birch wood<br> media: watercolor, gouache<br><br> 15 paint brushes:<br> round: 0,1,2,3,4,5,6,7,8,9,10<br> liner:3/0,<br> flat: 1” 1/2”<br> oval wash:3/4”<br>