CRUELTY-FREE. Synthetic bristles on smudger end, and soft wheel on roller end. GET PERFECT EYELINER THE FIRST TIME. Creates a precise, tight line in seconds!. BETTER THAN ANY EYELINER PENCIL. Designed to deliver an expert liner look, unlike any penciL, the Eyeliner Wheel rolls product on effortlessly, and includes a perfectly sized smudger brush for any touch-ups. WORLD'S FIRST ROLL ON EYELINER TOOL. The world's first, 2-in-1, tug-free eyeliner tool.