This Tervis 20oz. Chiefs Kingdom Slider Lid Stainless Steel Tumbler is perfect for Miami Dolphins game days thanks to its leak-resistant and stainless steel construction. The triple insulation reduces condensation and keeps your drink cold for up to 24 hours or hot for 8 hours, so your favorite beverage will taste just as satisfying as the moment of your first sip. It features Miami Dolphins graphics, made from eco-friendly plant based ink, that will coordinate well with any game day getup.