ArchLiner InkThe micro fine, arched tip and ergonomic design create an entirely new yet intuitive gesture for applying eyeliner and eliminate the once unavoidable blind spot that is often created by the users hand or the pen itself. Saturated with a high level of ultra black pigment, this revolutionary flow through liner delivers a precise, quick dry formula that provides up to 24 hours of waterproof, smudge proof and tear proof color.