About this product: 1）COOL BLACK COLOR - using high-quality carbon black formula, slim pen tip, natural and smooth, easy to use, uniform ink, can outline the eye makeup in a short time. 2）WATERPROOF AND SWEATPROOF - From morning to evening, the makeup lasts for a long time, does not fall off and does not fade, even if swimming in the pool is not affected. 3)HIGH QUALITY - Great for daily use, clubbing or party Perfect for both professional use or personal use Eyeliner. 4）CONVENIENT & EASY TO REMOVE - You don't have to worry about the appearance of smudges in summer. It is very convenient and fast to use. You can easily remove makeup with warm water. 5）LAST LASTING - Don't worry about the disappearance of makeup,The long-lasting makeup of this product will depict your personal color in this fascinating summer, and let the stylish eye makeup charm bloom freely. 6）It is said that the face is the second life of a woman, Would you like to embellish my life with different gloss. Welcome to O.TWO.O to create the charm that belongs to yourself.