Fine-tipped, long-lasting felt pens Perfect for accurate coloring. offered in sets of 12 and 24 vibrant, intense colors. Washable with soap and water on skin, clothing, and surfaces. high and steady ink flow. Every marker has a name space. Attach tag Duration: 48 hours maximum usage. perfect for educational settings. Children are safe with the ventilated cap. Non-toxic and free of solvents. Ideal for kids three years and up.