These multipurpose permanent markers are great for a variety of uses and contain quick-drying and water-resistant markers to help prevent smears and smudges. The Sharpie Twin-Tip design provides versatility through 2 different-sized tips. Dual tips allow you to be versatile in your writing style. Permanent, quick-drying ink won't smear. Water-resistant for longevity. Includes 12 black Sharpie ultra-fine-point/fine-point markers. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.