Starfire Glass&reg; 10-Pound Fire Glass "Fire-Cubes" 1-Inch Crystal Ice Reflective Starfire Glass The Ultmate in Fire Glass Quality! 1" x 5/8 Fire-Cubes are uniform in size producing Mesmerizing Reflective Flames Superbly polished with a Warm, Radiant, Luminous Glow. Premium Tempering process with consistent Jewel-Like color throughout Replaces Existing Gas Logs & Lava Rocks for Modern Elegant look