Dagan TG-EARTHBLEND Tempered Reflective Fire Glass Blend. Includes: TG-BLACK, TG-COPPER and TG-GOLD Fire glass. Features: Type: Fire Glass Blend. Color: Black, Copper and Gold. Tempered and Reflective Glass. For use with Vented Fireplace and Outdoor Fire Pits Only. By Dagan. Specifications: Size: 0.25".