Eco friendly, non-toxic, odorless, with high gloss and high saturation. Provides a smooth and comfortable writing experience. Note: Do not contact with food and keep out of reach of children to avoid accidental ingestion. Wide application. Each marker features waterproof, fast-drying ink in soft colors. Ideal for coloring and painting on paper, cardboard, bags, water bottles, plastic, wood, ceramics, glass and more. Cartoon design. Cute cartoon animal pen cap design, making them ideal as birthday gifts for kids and students. The broad angled tip is well suited for writing postcards, birthday cards, note taking, underlining text, and color coding. Durable and versatile. Detachable design with adjustable length. You can mix different lengths and styles to color and draw in more interesting ways. Use scenarios: - Classroom or study use: color-code notes, highlight key ideas, and organize subjects. - Crafts and labeling: decorate scrapbooks, labels for jars and bottles, and personal gifts. - Card making and journaling: create personalized postcards and greeting cards, or mark up reading notes and announcements.