ENPRANI Inkronize Waterproof Gel Pencil is a long-lasting and vivid tattoo eyeliner with ink-like intense color and gel-like smooth structure . An 1-day tattoo printer ink gel pencil type eyeliner with vivid color payoff along with smooth gel-like structure. Waterproof: Made from durable formula that is extremely resistant to sweat, water, sebum as well as rubbing. With a built-in sharpener. How to use: Remove the lead about 1mm and pack the empty room between lashes for an all natural appearance.