Rhinestone Guy (RG) Cosmic shape is a larger, flat back square similar to Swarovski Sew On Cosmic Art 3265 but without the sewing holes. It features multitude of facets that reflect lights in multiple directions. They are part of the collection of rhinestone luxury crystal (glass) shapes.
The stones are flat back and foiled for extra reflection. These are machine cut glass (not acrylic).
These family of crystal is great for intricate designs and other glue on applications.