- Pigmented India ink
- High lightfastness
- Flexible brush tip, retains its shape
- Waterproof, permanent
- Odourless, acid-free, pH neutral
- Does not bleed through paper
- Contents: #232 Cold Grey III, #233 Cold Grey IV, #235 Cold Grey VI, #272 Warm Grey III, #273 Warm Grey IV and #274 Warm Grey V in a wallet package