With its angled, multi-purpose, calligraphy style tip, this BYS liquid eyeliner pen makes achieving a multitude of looks so easy. Angle Horizontally = Thin, defined lines Angle Vertically = Bold, thick lines The versatility of the BYS Angled Tip Liquid Eyeliner Pen makes it a valuable addition to your make up bag and with its waterproof and smudgeproof formula you'll be able to keep your eyeliner in place all day.