Benefit Double Eyeliner Deal Roller Liner Black 0.5Ml + Black 1.0MlGet natural looking, sharp and precise eyeliner with Benefit's Double Eyeliner Deal! The matte liquid formula of Roller Liner glides on smoothly without tugging or smudging for up to 24 hours. 94% of women said it creates a continuous line, while 93% said it doesn't tug on skin. With ingredients like Aqua and Coco glucoside, get the perfect line every time.