Roller Liner Waterproof Liquid Eyeliner - Benefits**Instrumental test on 20 women*Instrumental test on 21 womenQuick-dry, waterproof*24-hour lasting formula**Features91% said it stays put******Self-evaluation by 101 women after week 194% said it creates a smooth continuous line***93% said it doesn't tug or drag on skin*** - Roller Liner Waterproof Liquid Eyeliner