1. Products can pass EN71 and ASTM certification 2. The color is fresh and full, the colors are diverse and rich and easy to create. 3. The product uses new PP material, and the pen body can be customized according to customer requirements. 4. Scratch is clear, it is very suitable for scratches, making notes and comfortable for long time 5. Eco-friendly colorful color highlighter, unique and innovative design, novel and creative 6. Waterproof, quick-drying, anti-smudge, anti-light pigment ink, suitable for general paper matte texture