The thinnest and smoothest waterproof gel eyeliner. This eyeliner in a mechanical 1.5 mm pen offers perfect precision and easy application. No jar, no brush, no cleaning required. Just two clicks and one stroke provides dramatic, smudge-proof definition with long-lasting wear. Available in 5 shades. features and benefits: – the unique formulation, poured into a slim pencil, has the same smoothness, intensity and staying power as a traditional gel eyeliner. No jar, no brush, no cleanup required – waterproof, smudge-proof formulation provides long-lasting wear – 1.5mm precision tip allows effortless control and tightlining between lashes – only two clicks are needed to define the eye contour. Each of these advanced mechanical pens lasts for approximately 17 to 20 applications – ophthalmologist tested Hourglass – 1.5mm™ gel eyeliner – Obsidian.