Mii Cosmetics Stay all Day Eyeliner possesses a creamy, pigmented formula that glides on effortlessly for clean, precise application. Its smudge-proof and easily blends for the ever-reliable smokey eye or perfectly natural, yet sophisticated result. This waterproof eyeliner pen lets you achieve precise, seamless, black liquid lines effortlessly. Every stroke is unbelievably fluid and controlled for a defined finish. Control the thickness of your lines by pressing down just a touch. This eyeliner has a unique felt-tip applicator which is fine enough to apply a thin, lash defining line or can create an exxagerated effect by angling its broad side to create a dramatic look