Like new What it is The IIID Brush applies your highlight and contour in a flash. How you use it Use the end coned to a tip for applying your highlight and the wider end for applying your contour. Why it’s better The IIID Brush is designed for flawless and fast IIID application. The two sides are shaped to precisely fit in the contours of the face and to smooth in your highlight. Double-ended brushes save space in your bag and make your beauty routine a breeze.