This handy 12 Oz. self-stirring coffee mug keeps your hot drink frothy and mixed, while keeping stir sticks out of landfills. Attributes include quality double-wall stainless steel and a 3,000 RPM motor that efficiently and quietly blends your hot beverage. Features a splash-proof lid with viewing window, which can also be used as an impromptu coaster. The large imprint area is the perfect promotional tool that will display your logo or message.