The Hario V60 Uchi Mug is a double-walled travel mug made of stainless steel. It is Ideal for travel and everyday rush. The design allows you to keep the temperature of both hot and cold beverages. This is a newere design of the Uchi mug with smooth design. The older model has the waved design familiar from other Hario products. Contents will sty hot for one hour, with a starting temperature of 95°C being approximately 73 ° C. The plastic lid is equipped with a tight closed mouth. Compatible with V60 drippers and stations. The product is not dishwasher safe and microwave safe.