Product Details Product Details 20oz. Stainless Steel TumblerDouble-wall vacuum/copper insulationKeeps drink hot for 12 HoursKeeps drink cool for 24 hoursComes with clear acrylic lidstainless SteelImported Officially Licensed This Purdue Boilermakers Stainless Steel Tumbler is great for keeping your drink cold and showing your team spirit. This Stainless Steel Tumbler features a Team logo on white background.