☻Self-stirring Technology: The 450ml mug processes a fluid self-stirring technology that makes it automatically stir drinks with one button. A built-in impeller with moderate stirring strength will not spill your beverage. ☻Premium Stainless Steel: The inner tank is made of food-grade stainless with good corrosion resistance, heat resistance, and high toughness, which is able to last for years. It imparts no odor on the beverage. ☻ Elaborate Details: Ergonomic handle gives a comfortable grip; Safe round mouth edge; Hidden button design; Small holes on the cup cover for heat dissipation. ☻Easy to Clean: A wide mouth means it is easy cleaning and filling, allows dishcloths and cleaning brush for easy access to clean the residues. ☻Widely Applicable: This self-stirring cup is the best way to stir and take your coffee, chocolate, tea or cocoa, etc. It works great for just about any beverage.