This stainless steel tumbler is vacuum-insulated to keep your hot beverages hot, and cold beverages cold, while keeping the exterior cool to the touch and condensation-free. The SlickSteel® polished stainless steel interior is stain-resistant, and allows the color of your beverage to shine through. • Stainless steel vacuum insulated construction with superior heat and cold retention • Dishwasher safe • Special manufacturing technique applied to round the sip area for drinking comfort • Wide mouth for easy cleaning • Comes with lid to cover the mouth when not in use • 5 year warranty on heat retention • Size (width x depth x height): 8.5cm x 8.5cm x 14.0cm • Heat retention: 49°C @ 1hr • Cold retention: 7°C @ 1hr