Good-bye room temperature drinks, hello Simple Modern 12oz Spirit Wine Tumbler! Vacuum Insulation Technology This tumbler has a double walled exterior with a vacuum between the walls. This means your drink has no medium for the heat or cold to transfer through. Your drink will truly stay as hot or cold as possible. Even filled with ice or boiling water, the bottle will never sweat or get hot to the touch! Premium 18/8 Stainless Steel The Simple Modern insulated tumblers are made of high quality food grade 18/8 stainless steel. Whether you are drinking water, beer or even coffee, this tumbler will not retain the taste or smell of any liquid. Drinking Lid is Included A sleek and durable lid is included for easy drinking and to keep your drink insulated. A straw fits through the opening in the lid, the lid does not close completely. Durable Powder Coating Enjoy the protection and color that rugged powder coating adds to the tumbler. The powder coating is sleek and durable, making it the perfect travel companion. Take Us With You This travel mug will keep your beverage the same temperature as long as possible and the clear lid makes it easy to drink out of on the go. This is perfect for the office, road trips, sporting events, use at home and so much more. Take us with you as you make a positive impact and show the world who you are! Hand wash only.