Lifeline Vacuum Insulated Stainless Steel Double Wall Growler (64oz, Black Barrel & Silver Tank) Includes (1x) Lifeline's Fifty Fifty 64oz Stainless Steel Silver Tank Style Growler, (1x) Lifeline's Fifty Fifty 64oz. Stainless Steel Black Barrel Style Growler and (1x) bonus Switx's cleaning cloth Constructed from lightweight, high quality, food grade 18/8 stainless steel that is 100 percent recyclable Lifeline's 50/50 double wall growler is vacuum-insulated to keep liquids hot or cold all day All components, including plastic lid, are completely BPA free Double wall technology also prevents condensation from forming on the exterior of the bottle as well as preventing any kind of temperature transfer to occur