Automatic Technology - Fluid self-stirring technology makes agitating vane works promptly upon the press of a button. Premium Quality - High quality double layer stainless steel material, Easily operable, Efficient and long-lasting usage. Wonderful Design - Appealing and authentic exterior, cute, classic and fashionable look. Creative Mug - The best way to stir and take your coffee and your favorite beverage, such as chocolate, milk tea, milk powder or cocoa. Multipurpose - Perfect for travelling, office, car, anniversary, gift friends.