Lifelines Scented Stacking Highlighters. Includes two stackable, mix & match chisel-tip highlighters in six delightful colors and scents. New in package Mix & Match: These fun, interactive stacking highlighters make studying calming and enjoyable. Highlighters click into each other in any order so you can switch between colors and scents at any point! Brighten your note-taking with an extraordinary aroma experience. Each highlighter features a unique, sophisticated scent designed to add a twist to everyday highlighting. Sensory writing allows you to touch, see, smell, and create. These highlighters are the perfect way to infuse elements of fun, joy, and calm into your studying. Unique, Invigorating Scents & Clean Ingredients. Get studying while experiencing delightful aromas. These scents use pure essential oils and botanicals sourced from around the globe. Free from parabens, phthalates, and dyes. Sensory Immersion: The practice of activating your senses. Seeing, smelling, and touching delightful things releases dopamine, the brain’s feel-good hormone, and brings you back to the here and now. Let your senses work their magic