Product Description Colorverse is now making some of their most popular colors available in 5ml glass bottles as part of the new Mini Collection! Included with each 5ml bottle is a pipette for filling cartridges, converters, or pens directly. Inspired by space and time, Colorverse inks exhort you to colorize your universe. They are carefully blended to conduct the ethereal beauty, wonder, and intense vitality of the universe to your pen. The inks are made with high-purity raw materials and their pH is optimized for a long shelf life.