Koala insulated wine tumbler

12 ounce, Double-walled, vacuum insulated stemless tumblers made from the highest quality stainless steel. With the ability to keep your beverages ice-cold for over 9 hours or your coffee and tea ultra-hot for over 4 hours! Care Instructions: Please hand wash only and do not soak it in water for long periods of time, and it will have a long-lasting life.