About this article Automatic mixing: Just press the button on the handle to mix coffee in a few seconds, saving you a lot of time. Insulation: The cup is made of high-quality stainless steel and food-grade materials, which can be kept for about 2 hours, so there is no need to worry about cooling too quickly. Leakproof: Ideal for traveling or commuting. Even if the anti-shake function is turned on, the waterproof cover can prevent leakage. Convenience: powered by two AAA batteries, it can be used anytime and anywhere without charging. The best gift for family, friends and colleagues who like coffee, hot chocolate, protein powder or other beverages. Product description Color: Red Product category: mixing cup Material: Food grade PP plastic stainless steel Weight: 280g Capacity product capacity: 400ML Product size: 11.5 * 8.8 cm Power supply: 2 AAA batteries (not included) pack:* 1 * Mixing cup