Robert Oster Signature Inks--Blue Black 50ml bottle Fountain Pen Ink

Blue Black is a timeless, professional blue-black — deep and authoritative, the classic choice for correspondence, journaling, and everyday writing. Part of the Robert Oster Signature Ink collection — Australian-made fountain pen inks celebrated worldwide for their exceptional quality, smooth flow, and rich, distinctive colors.

Specifications

• Ink Type: Dye-Based, Water-Soluble
• Bottle Size: 50ml
• Made in: Australia
• Nib Compatibility: All Fountain Pens
• Properties: Smooth Flow, Good Shading