ENPRANI Inkronize Waterproof Gel Pencil is a vivid and long-lasting tattoo eyeliner with gel like sleek feel and ink like intense color. An 1 day tattoo ink gel pencil style eyeliner with vivid color payoff and delicate gel like feel. Waterproof: Made from long-lasting formula which is highly reluctant to sweat, rubbing, sebum and clean water. With a built in sharpener. How you can use: Pull out the lead aproximatelly 1mm and fill the empty space between lashes for a natural look.