Line and define your peepers with Eyeko Sport Waterproof Eyeliner, a twist-up, waterproof gel eyeliner that stays put even under the most extreme conditions. Resisting sweat and water, the easy-to-use liner is enriched with Coconut Oil for smooth application; it glides effortlessly over the eye, delivering a shock of pure black colour for dramatic, intensified results that last. Complete with a built-in sharpener.