Birch wood natural locks deluxe buffing brush. 3.75 inches. Very soft as well as ideal for applying foundation, blush or even blending eye color. The additional bristle density holds minerals better than every other brush. Bigger size as well as dull brush base causes it to be Easier to deal with as well as work with than those little round brushes, and also it's at a cost which can't be matched. A decorative necessity!