This 12oz mug features double-wall stainless steel construction with copper vacuum insulation, keeping your beverage cold for up to 24 hours or hot for up to 6 hours. It has a sturdy stainless steel handle to give you a comfortable grip. The Brew Copper Vacuum Insulated Mug 12oz also features a trendy, durable powder coating that prevents condensation from forming on its exterior. Key Features Durable double-wall construction Copper vacuum insulation keeps drinks hot for up to 6 hours or cold for up to 24 hours Condensation-free powder coating is scratch- and fade-resistant Stainless steel handle gives you a sturdy grip