Add Az Patio Heater's Reflective Fire Glass To Any Outdoor Fire Pit To Create A Unique And Truly Beautiful Experience. Choose From Eight Different Colors That You Can Even Mix And Match To Illuminate Your Outdoor Seating Area. The Flames Will Dance Off The Reflective Backs Of The Glass That Produces An Elegant Glow. Cobalt Blue 10 Pounds Reflective Fire Glass For Fire Pits 0.25In - 0.5In Diameter 1 Year Limited Glass Cobalt Blue