380ml Rotating Magnetic Self-Mixing Stainless Steel Travel Grinders White This is a real travel coffee mug that you can drink from. The lid is designed for a better sip of coffee. This Grinders is particularly suitable for drinks that you have to stir constantly. It also provides the coffee with a little cream with a nice frothy layer. Simply press the button to move the blender and mix your coffee, juice or other drinks. If you don't need the stirring function, this stainless steel coffee mug can be used as a regular drinking cup. It is also easy to clean, but don't use the dishwasher or wash it in full immersion. The perfect gift for family and friends. Specifications Material Material: stainless steel and plastic. Capacity: 380 ml Powered by 2 x AAA batteries (not included) Size chart. 90 x 135 mm / 3.54 x 5.31 in Package includes. 1 x Self-stirring Coffee Grinders