The Superproof Pen Liner is a sponge tip eyeliner that boasts a high density for a seamless, precise stroke every time. This must-have beauty essential is richly pigmented, making it easy to achieve bold, vibrant looks with ease. With its velvety smooth glide and perfect firmness, this liner ensures effortless and accurate application. Experience long-lasting, deep color that stays put throughout the day, ensuring your look remains flawless from morning to night.