The Reduce Hybrid Bottle is a product design for all day use. It is a two lid system that allows you to use it for hot beverage or cold beverage. Being vacuum insulated the container will keep beverages hot for 8 hours and cold for 6 hours. Great for the office and that morning commute, perfect for daily hydration and the trip to the gym. The dimensions are 2.8-inch diameter by 8.4-inch height (dimensions are with the coffee lid on)