NYX Professional Makeup Super Fat Eye Marker, carbon black. Create dramatic definition with the NYX Professional Makeup Super Fat Eye Marker; a pen-style liquid liner with an ultra-wide, felt-tip applicator. The ultra-refined formula smoothly glides onto the lid to create a crisp graphic line with intense pigmentation, allowing you to trace right along the lashes for enhanced depth and dimension. Smudge- and smear-proof, it’s a must-have tool for striking, fat-cat lining that lasts.