Precise definition:The ultra-precise tip of the pen is flexible, making it easier to draw fine and thick lines with accuracy. | Quick drying:Dries quickly to prevent smudging or smearing, providing long-lasting wear without flaking off. | Goes on smoothly:Glide the brush tip effortlessly to apply smooth, even strokes without pulling or tugging on delicate eye skin. | Waterproof and smudge-resistant formula ensures a long-wearing effect without fading or transferring. | Easy to apply and remove:Easy-to-use pen design means you can apply with precision and remove with ease when the day is done