Orca 12 oz. Whiskey Barrel Insulated Mug. Crafted from stainless steel with a double walled vacuum sealed body, ensuring your hot liquids stay hot for up to 12 hours and cold drinks remain chilled for up to 24 hours. Leak resistant and BPA free, this mug is perfect for taking to work, the ball field, a tailgate party, or down to the dock. The new microplated stainless steel color palette allows you to express your style, while the screw top clear lid lets you see when it's time for a refill.