PenBBS 411 Purple Sky from PenBBS Season 29 is a bright blue violet ink with low shading. It dries in 15 seconds in a medium nib on Rhodia and has an average flow. PenBBS ink is made in China.
| Brand | PenBBS |
| Ink Name | 411 Purple Sky |
| Country of Origin | China |
| Color | Purple |
| Dry Time | 15 seconds in a Pilot VP medium nib on Rhodia |
| Flow | Average |
| Shading | Low |
| Sheen | No |
| Shimmer | No |
| Limited Edition | No |
| Water Resistance | Low |
| Iron Gall | No |