1. Material: Plastic, Approximate Size lxbxh: 4.5x20x1. Size: 4mm
2. This is a portable fountain pens, soft brush pen.
3. This Water brush Pen is for beginners, professional person. Best gift for painting enthusiasts, kids, etc.
4. The Water Brush pen is Designed for the Easy Transportation and Storage of Water When You're Away From Home Or the studio.5. This Water Brush pen Works well with watercolors, water soluble colored pencils, real brush pens and More.