Welcome to ARTOSA Art Store! Whether you're an expert or beginner, our markers set is perfect for kids, teens, and adults. With high-quality and professional products, we're confident in helping you become a great artist. Our markers are AP Non-toxic and have alcohol-based ink that dries acid-free. They're ideal for sketching and scribbling, and the marker pen has two standard tips. Uncap easily by loosening the cap and cap it after use. If you have any confusion, contact us. Not suitable for children under 3. Package includes 80-color Marker Pens set, plastic seat, and travel bag.