The Self-Stirring Mug is the ultimate lazy man's mug. It's great for tea, coffee, hot chocolate and soups. Simply press the 'stir' button and have the hard work done for you!Get maximum results with minimum effort! Note: Hand wash only. Not dishwasher safe. Do not microwave. Features: 1.Easy to clean. 2.Includes a handy lid to stop spills. 3.Just press the button on the handle for instant mixing action! 4.Automatic Stir, moderate strength, will not be spill. 5.Function: High temperature resistant, seal leak, automatic mixing. 6.Material: Stainless Steel, Plastic. 7. Capacity:14oz/350ml. 8.Power: Requires 2 AAA Batteries (Not Included). 9.Size: App. Height-11.5cm, Diameter-8.5cm. 10.Package include: 1 x Self Stirring Mug