It can draw eye line vivid & clear color in just one touch. This brush is for gel typed eye liner. It can be adjustable to the thickness of eye line you want to draw. Designed to be long lasting and smudge resistant. This product has an excellent internal sharpener which can be adjustable to the thickness of eye line you want to draw. How to use Draw your line from front to back. You can makeup to upside. It helps your line more gorgeous. (Spread the color with finger gently and quickly before it gets dry.) Net Wt. 0.0176 oz / 0.5 g