12oz. RTIC Lowball: Stainless steel with double-wall vacuum insulation. Keeps drinks cold or hot longer; great for coffee, whiskey, or cocktails. Includes shaded Splash Proof lid for easy drink level monitoring. Flip-top closure resists spills and is straw-friendly. Dishwasher safe; no-sweat exterior for dry grip. Heavy-duty lid seal locks in cold, ensuring maximum refreshment