Metallic Stemless Mug in Copper by Corkcicle. Crafted from high-quality stainless steel, this stemless vessel keeps you beverage of choice cool from the first sip to the last. Perfect for wine, cocktails, tea, sangria, and more. Features a slip-proof with silicone bottom, easy-grip sides, sliding and spill resistant lid. Keeps 12 ounces of favorite beverage cold for 9+ hours or hot for 3.