Part of the SIC Cups Luxe Line, our Hammered Gunmetal Tumblers and Water Bottles feature premium construction paired with trendy and unique style. Double wall, triple insulated, and vacuum sealed with a distinctive luxurious finish. It starts with Sturdy Construction. We use 18/8 Kitchen Grade Stainless Steel. Triple Walled and Vacuum Sealed for superior temperature control. --- 2110966