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. Proudly permanent ink marks on paper, plastic, metal, and most other surfaces Intensely brilliant colors create eye-popping, vibrant impressions Remarkably resilient ink dries quickly and resists fading and water; AP certified Endlessly versatile twin tip with both bold fine and precise ultra fine tips Colorful options: Includes 12 Blue Sharpie permanent 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.