Pinemeadow Green NCAA Boise State Broncos Doublewall Insulated Stainless Steel Bottle, 64-Ounce Stainless steel construction requires no liner and will not retain tastes or odors 50/50 double wall growler is vacuum-insulated to keep liquids hot or cold all day 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 Constructed from lightweight, high quality, food grade 18/8 stainless steel that is 100 percent recyclable All components, including plastic lid, are completely BPA free Stainless steel construction requires no liner and will not retain tastes or odors