American Fireglass 10-Pound Black Lava Rock, XXL 4-6 Inch;

The XXL Black Lava Rock from American Fireglass offers a high quality fire media for your gas fire feature. The naturally occuring lava stones are produced when volcanic lava reacts with cool ocean water and hardens to form a temperature resistant rock that makes a perfect enhancement for a gas fire pit or fireplace. The stones keep their naturally jagged shape for a classic appearance and the 10 pound bag includes rocks that range from 4-inch to 6-inch sizes to enhance your fire feature.