Come and see our amazing products. Made by silicone seal and premium stainless steel. Secure your mug tightly to preserve the heat and coldness. Material in stainless steel, ABS, self stirring coffee mug becomes a great item for promoting schools or colleges, sports bars, auto dealerships, tea shops, cafes, coffee shops, restaurants, and much more. The design of handle with a hidden button, just press the button to do self mixing in battery operated ( requires 2 AAA batteries, not included). It can be used for advertising and as a promotional gift. Your print logo is welcomed. With one push, it will simply stir the content smoothly by itself. It holds 12 oz of your drink, almost a half bigger than any other mug. More is always better. Great gift for promotion. Pls confirm with us about the packing info, stock color and exact production time before placing your order.