These beautiful aluminum bars are made of 99.9% Pure Aluminum. The front of the bar features the Element Symbol - Al - Atomic Number - 13 - Atomic Mass - 26.98 - Melting Point - 660.4°C - Density - 2.70g/cc and reads One Pound .999 Fine Aluminum. The back of the bar features the Unique Metals Logo. Aluminum is a durable yet malleable metal with high thermal conductivity and strong corrosion resistance, which allow it to have multiple purposes. These bars are perfect for bullion investors, collectors, element collectors, gifts to science lovers, paperweights or whatever else you can think of!