♨【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. ♨【No Melting or Fading】- Fire pit glass has strong corrosion resistance, heat resistance, fade resistance and retains heat effectively. Will not degrade overtime. ♨【Positive Environmental Impact】- The fire glass does not produce dust or and unpleasant taste, and as a great alternative to traditional firewood. ♨【Easy Heating & Extinguishing】- The fire pit rocks itself does not burn. The fire glass retains some heat but does not remain on fire after you turn off the supply of gas. ♨【Warm Ambience】- Put a layer of lava rocks down and then cover with firepit glass rock to give your fire a unique look. Stay warm and cozy on chilly nights. GRISUN Orange Red Fire Glass for Fire Pit - 1/2 Inch Tempered Glass Rocks for Natural or Propane Fireplace, Safe for Outdoors and Indoors Firepit Glass, 10 Pounds