Wet 'n' Wild Mega Eyes Defining Marker in Blackest Black ($4) is probably the best deal you can get on a felt tip eyeliner pen. It's not waterproof, so no waterlining, and the color is a little thin, but if your usual beauty routine includes light lining on your lids, you can't do better than this. The formula is thin enough so that it's not dramatic, but it's still very visible three hours after application. It's easy to handle, and the liquid came out evenly and wasn't runny, a problem with a lot of liner pens more expensive than this one. I expect that the pen is going to dry out pretty quickly, but then again most felt tips do, so no big loss there. If you want something highly pigmented to fall in love with, this probably isn't what you're looking for. But if you want an inexpensive and extremely easy-to-use liner marker, it's a definite try.