Stila

Stay All Day Waterproof Liquid Eye Liner

Finally a waterproof liquid liner that glides on with ease won't smudge or run, and stays in place until you say when! The thin marker-like tip is easy to use even for the least experienced, and delivers a defined thin line to a dramatic bold line with precision. Goes on smoothly without skipping, smudging, or pulling, and lasts all day! (via Amazon.com)