fire pit glass selects higher clarity tempered glass material than regular fireglass’s, which looks more luminous. 100% filtered with 1/2” mesh sieve. 🔮Polished(not tumbled) for high quality, the reflective fire glass rocks convey elegance and refinement. One side is mirror-finished for fantastic shine and sparkle. 🔮Precisely tempered for safety at high temperature, all fireplace glass will not melt, crack or fade. Jar-packed for safe handling and storage. 🔮Perfect for almost all of the fire pits both indoor and outdoor, it is also for the garden decorations, Nature gas stove, Propane Fire Pits, Fireplaces, Fire bowls. That replaces gas logs wood and lava rocks, and other indoor/outdoor decoration.