Krishna Inks Lyrebird Inks Blue Black are everyday inks are the safest choice for your fountain pens. You can't go wrong with these. They come in fantastic waterproof versions too which are maintenance free. Inks are non-toxic and made for free flowing and clog free writing. Medium to high saturation inks with bold enticing colours and tremendous shading characteristics. Inexpensive, Bold, Vivid, and happy shades. Handmade in India