Feature:1. Each pen uses a double‑headed design and is widely used. You can choose a brilliant area to quickly paint in a large area2. Suitable for adults, children's painting book, artist sketch, illustration, painting, calligraphy alphabet beginner, card making, architectural design, advertising, landscape and other forms of comic design3. Very suitable as coloring aircraft pen, adult colored rig, art mock, sketch mock, permanent macus4. High coloring and bright macus are durable, there is no need to worry about stain. No longer worry about the problem of uneven color5. Has excellent waterproof performance for paper, ceramic, plastic, rock, etc. Will not fade with timeSpecification:Item Type: Marker PenMaterial: Plastic , WatercolorProduct Specifications: 36Pcs / SetProduct Use: Painting, Filling, Hook Line, etc Package List:1 x Marker Pen