Size: 21 * 4.8cm Material: stainless steel + pp Automatic playing eggs is not strenuous, you can also mix milk tea coffee Two AA batteries can be used Strong and durable is not rust easy to clean and clean Package include1 Pcs Classic Never Outdate Style: The coffee milk mixer is styled in silver and black color perfectly fitting with any modern kitchen. Decent present for daily coffee drinkers Easy to Use: Simple one-touch switch with a powerful motor but low noise level. Just put it into a container with liquid food up to approx 1/3 to froth. Please keep the temperature of the milk below 60 degrees for perfect foam. Battery operated and 2 AA batteries included Stainless steel shaft with food-safe material is easy to be cleaned in mild soapy water with the whisk moving or just put it into fresh running water