The KWZ standard range has an enticing palette of rich and vibrant colours. The standard range is marginally wetter than other inks and they have been designed specifically for fountain pen use. As a result of this special formulation, you’ll find that the standard range inks flow very smoothly and make writing a pleasurable experience. Comes in a 60 ml bottle. Azure #4 is a vibrant blue and is a must for your ink collection.