Light up your notes with a splash of color! These stackable heart-shaped highlighters bring joy to studying, planning, and creative projects. Each vibrant hue glides smoothly across paper without bleeding through, making them perfect for color-coding everything from textbooks to bullet journals. Stack them together for easy storage and grab-and-go convenience. Whether you're organizing your life or adding a fun touch to your workspace, these charming highlighters make productivity feel playful.