Stay hydrated in style with this Duke Blue Devils 30oz. Swag Tumbler With Straw Lid from Tervis. This tumbler boasts a copper-lined, stainless steel construction with triple insulation, ensuring your beverages stay hot for up to 8 hours or cold for up to 24. The vibrant, all-over Duke Blue Devils graphics let everyone know which team you're cheering for, making it the perfect gameday companion. Officially licensed. Holds approx. 30 oz. Brand: Tervis. All-over printed graphics. Not microwave or freezer safe. Dishwasher safe. Material: 100% Stainless Steel - Tumbler; 100% Plastic - Lid. Chip and peel-resistant. Non-slip base prevents noisy slipping and sliding. Triple insulation to reduce condensation and to keep drinks hot for up to 8 hours and cold for up to 24. BPA free lid with straw. Fits most cup holders. Imported. Durable, copper-lined 18/8 stainless steel construction that won't retain tastes or odors. Size: One Size. Gender: unisex. Age Group: adult. Material: OTHER MATERIAL.