This is a limited edition design of the Mildliner featuring Hello Kitty. It's a popular product with its ink in gentle hues that are easy on the eyes! The body color of the pen itself is "white," which is unusual for highlighter pens. Just like the light-colored ink, the pen body also features a color that doesn't stand out too much. It's a softly popular Mildliner color on social media. It allows you to highlight text without being too obtrusive.