beautyblender® liner.designer will have you feeling confident. You will never fear a cat eye again! With a genius triple-edged design your eyeliner application will be taken to a whole new level. It becomes your steady hand and symmetry expert when applying liner to your eyes. Its now easy to achieve your favorite eyeliner styles with ease and makes applying liner effortless. Perfect for use with all eyeliners, pencils, pens, gel creams, liquid and powder.