KWZ Gummiberry is a bright Barney purple. It dries in 15 seconds in a medium nib on Rhodia and has a wet flow. KWZ is made in Poland.
| Brand | KWZ |
| Ink Name | Gummiberry |
| Country of Origin | Poland |
| Color | Purple |
| Dry Time | 15 seconds in a Pilot VP medium nib on Rhodia |
| Flow | Wet |
| Shading | No |
| Sheen | No |
| Shimmer | No |
| Limited Edition | No |
| Water Resistance | Low |
| Iron Gall | No |