ONE/SIZE waterproof liquid eyeliner pen. Bold black color. Precise application. A waterproof, long-wear liquid eyeliner that glides on like a dream to create lines of any size. What Else You Need to Know: With a comfort grip, this ultra-pigmented formula features a felt tip and easy-glide ink flow for a controlled and precise application. Versatile for any eye glam, from winged and cat eyeliner to graphic and cut crease looks, it can be seamlessly layered over eyeshadows or blended into false lashes.