New limited Fountain Pen Ink - Romeo & Juliet multi-chroma color - At last Romeo and Juliet are together...forever... in one multi-chroma ink! A chroma shading ink features shading in multiple colors when it dries on paper. Robert Oster Signature® Fountain Pen Inks are non-toxic and eco-friendly. The bottle is made from recycled chemical waste that would otherwise remain a hazard to the environment. PET is the most recycled plastic in the world and much more often recycled than glass bottles.