Diamine has manufactured in England since 1864. Their formula of fountain pen ink is safe and can be used with all fountain pens. The most famous feature of Diamine is the huge range of colours.\n\nDiamine fountain pen ink is a water based ink, perfect for any brand of fountain pen, also recommended as the only choice for Vintage Pens.\nThe fountain pen inks are completely non-toxic and offer excellence in free flowing ink.\nColour – Green Black\nSize? – 30ml\nPacked in?glass bottle.