? BLEED PROOF: Dual brush pens work well w/ no skipping or ink flow issue leaving no mess at all. The markers are also non-toxic, skin-safe and can also be used for adult coloring books, doodles, sketches, and illustration coloring, making them the perfect addition to anyone's art supplies kit! ?? FEEL LIKE A REAL ARTIST: Easy to use drawing markers for beginners professional artists. The set includes 16 ergonomic, durable bleed-proof pens, each with a different, vibrant eye-catching color! Perfect for kids, adults and even artists alike! ?? DUAL TIP: Each Art Accelerators brush pen features 2 different tips for your maximum convenience. The 0.4 mm fineliner tip is perfect for outlining fine details.