Nior Ergonomic Black Eyeliner Pen Black is a revolutionary eyeliner product beauty brand that is making serious waves in the make-up world. With its specially designed ergonomic shape and extra-precise felt tip, liquid liner application is made super-simple!!! This aloe-infused high precision liquid eyeliner pen makes the application of liquid eyeliner simple and user friendly. With an ergonomic barrel design, this pen is easy and comfortable to hold and use without slipping. Every woman needs an eyeliner pen with innovative ergonomic design matte grip handle to line a perfect & even winged eyeliner.