- Inks made from food dyes.
- Very strong, hard-wearing tip.
- Click-on ventilated safety cap which retains its shape.
- Ink washed off hands and clothes.
- Non-drying out ink (96 hours).
- Standard felt-tip pens have an ergonomic triangular grip.
- Available in MAXI format with a broad depression-resistant tip
- Available in two-tip format to choose between a fine or a broad outline