Waterproof formula dries quickly to prevent smudging or transfer for all day wear.; Precision felt tip glides comfortably along the lash line without skipping or tugging on eye lids.; Custom-tapered tip creates thin, precise lines for sophisticated definition or bold, dramatic lines for the perfect winged eye.; Delivers the perfect amount of ultra-black formula in every stroke, making it easy to use for novices and experts.; Gently line the pointed tip of the pen along the lashes. Tightly secure cap in place after each use to prevent product from drying out.