Feature:. 1. 100% brand new and high quality.. 2. Just press the button on the handle to do self-mixing, easy and convenient.. 3. Mute mixing impeller and sealed mug cover, no need to worry about liquid splashing.. 4. High-quality stainless steel and food-grade plastic made, safe and durable.. 5. This hot stainless plain lazy self-stirring mug is specially designed to auto mix tea, coffee, etc.. 6. Just press the button on the handle, it will do self-mixing immediately.. 7. No spoon any more, quickly stir cup for both home and office use.. Product information:. Product material: stainless steel + food grade PP plastic. Liner: food grade PP plastic. Power support: 2 AAA7 batteries. Product capacity: 400ML. Gift box size: 13.5X9.4X12.1CM. Product size: 8.8*11.8CM. Packing list:. 1x cup (with lid)