Dragons Breath is a red macro algae that is used for nutrient control as well as for decorative purposes.
It does best when tumbled in a refugium with ample water movement. Make sure to provide adequate lighting for your Dragons Breath culture to ensure that it will thrive.
Please note that tangs and other herbivores/ Omnivores will consume this algae.
Second image is an example of the size you will receive. It is roughly 2″.