Enhance your fire pit with the natural look of River Rock Fyre Stones by AFD. The earthy feel of these fire stones look just like the real thing- but are safe and made for use in fire features. Choose from a variety of four beautiful earth tones.- 4 to 7 inches each-Will not pop, crack, or explode like real rocks-Natural Looking
-For use with vented gas burners only
-Formulated to not crack or pop when used with fire
4" to 7"