Make sure your message stands the test of time with Sharpie permanent markers. They work well for labeling food containers, water bottles and other items that frequently get wet as well as creating bold posters and displays. Permanent ink resist fading, even after getting wet. Tip creates crisp, sharp lines that are easy to read. Plastic barrel holds a large supply of ink for lasting use. Quick-drying formula guards against smudges as you write. Blue Sharpie adds a vibrant splash of color to your everyday school and office supplies. 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.