The Designer Series OPI Nail Polish is a line of unique and exceptional OPI nail polish. This line of OPI nail polish combines dazzling diamond dust with pigments so saturated with color . . . they glow. The Designer Series OPI Nail Polish reflects light in an explosion of brilliance.<br><br>Another great exclusive about the Designer Series OPI Nail Polish is the unique, professional nail polish brush. The Designer Series OPI Nail Polish Brush is lush and thick and unlike any other nail polish brush you have every used. This nail polish brush is a flat brush with bristles that align in a stack. This effect creates a smooth, flat surface. The Designer Series nail polish brushes hold more nail polish, spreads the nail polish more quickly and evenly and delivers a smooth, streak-free application.