The Cognitive Thermal Transfer Label Ribbon is designed for high - performance printing, offering maximum efficiency and usability. This ribbon is compatible with various printers including Del Sol 2", Del Sol 4", Solus, Solus II, DT42, and ST42. It utilizes thermal transfer technology to produce permanent prints that resist fading, even when exposed to sunlight. Each pack contains 12 ribbons, ensuring you have a reliable supply for your labeling needs.