Vevor reflective crushed fire glass adds a bright aqua blue accent to fire pits, fireplaces, and other decorative spaces. Made from tempered glass derived from quartz sand, it is designed to withstand high heat without cracking, darkening, smoking, or leaving ash behind. The reflective finish helps create a vivid flame display during use and a polished decorative look during the day. It is also easy to clean with a simple water and vinegar rinse. This 10 lb bag is suited for both functional fire features and decorative applications.