• Brand = Staedtler
• Model Number = 3001 TB18 ST
• Material = Plastic
• Pack of 18
• Manufacturer = Staedtler Mars GmBh & Co.
• Country of Origin = Germany
• One side Brush and one side Fine Tip
• Watercolour effect
• Line width fine tip 0.5 - 0.8 mm
• Line width brush tip 1 - 6 mm
• Ideal for variable strokes and shading

If you don't have water available or just don't want to use it, you can still paint with your watercolor brush pens.

Water is optional but it allows you to achieve even lighter gradients and create beautiful watercolor effects.