The water-based pigment ink pens have been designed for because they do not bleed or strike through. The pens have a different size nib on either end with the 0.5mm nib designed for writing and the brush nib for drawing.
Eachcolour set isdesigned to inspirepositivity, with the Happy Set featuring six colours -coral pink, canary yellow, emerald green, aqua blue, night blue, chocolate brown. The plastic storage case can be transformed into a pen standby folding the lid and fastening it on the back.