Yellow boxfish, is a fluorescent yellow matte glitter.
If you would like to add sparkle, I suggest mixing in a micro-fine such as mermaid tears
The yellow boxfish is a species of boxfish. It can be found in reefs throughout the Pacific Ocean and Indian Ocean as well as the south eastern Atlantic Ocean. It reaches a maximum length of 45 centimetres. As the name suggests, it is box-shaped. When juvenile, it is bright yellow in color.