Line and define your eyes with Stila Stay All Day Waterproof Liquid Eye Liner; the brand's number one selling waterproof liquid eyeliner. Equipped with a fine, marker-like top for precise, fool-proof application, the quick-drying liner glides on effortlessly, laying down high-impact pigment that won't smudge or run. From fine lines to thick, dramatic flicks, the waterproof eyeliner delivers intense, long-lasting results for show-stopping definition.