The durable tip of the Sharpie Ultra Fine Point marker produces thinner, precise lines. Whether you’re using it to personalize a sign or label a file folder, you can be confident that the quick drying, non-toxic formula will deliver a superior marking experience every time. Durable ultra fine point tip produces thinner, precise lines Bright, colorful ink leaves a permanent mark on most surfaces. AP Certified, non-toxic ink is waterproof and smear and fade-resistant. Complies with Prop 65.