Transform your gas fire pit or fireplace with this 10 pound bag of 1/2 inch reflective fire glass in a warm copper, gold and clear mix. Tempered glass rocks withstand sustained 1112 F heat without popping, cracking or fading so they deliver a premium sparkle season after season. Spread them across the burner tray to hide pipes and bounce light across the flames for a high-end jewel tone glow in the evening.