W3506 is a brush for applying and blending eyeshadow. It is made of premium white goat hair. It has a flat shape, beveled edge, and resembles a half fan brush. This makes it easier to work in the eye area and the brow line. It can be used for highlighter application. Due to its shape and size, it is convenient for working on small areas. It is pleasant and soft to the touch, does not irritate the skin. It is comfortable to use and fits well in the hand.