♨【Wide Range of Use】- Can be used in an indoor or outdoor fireplace that uses propane gas, natural gas or electric; can also be used in indoor glass fireplaces, outdoor firepits, fire tables, and fish tanks. ♨【Beautiful Flames】- Flames make the fire pit glass rocks shine bright and beautiful. ♨【No Melting or Fading】- Fire glass beads has strong corrosion resistance, heat resistance, fade resistance and retains heat effectively. ♨【Easy Heating/Extinguishing】- The fireplace glass itself does not burn. The glass retains some heat but does not remain on fire after you turn off the supply of gas. ♨【Positive Environmental Impact】- Fire glass is a brilliant addition for your fire pit and serves as a great alternative to traditional firewood. GRISUN Red Fire Glass Beads for Fire Pit, 10 Pounds 17-19MM