The Autoseal West Loop Travel Mug is the ideal companion for modern doers, commuters, travelers, and explorers. Whether you're on the road, in a train, on a plane, or riding a bike, the West Loop Travel Mug offers you ultimate convenience. This travel mug has a large capacity of 470 ml, is completely leak-proof, keeps drinks hot for hours, and the drinking button can be operated with one hand. Press the Autoseal button to drink and release it to close. The unique cup shape is available in various colors and fits most car cup holders. The one-piece lid opens fully for easy cleaning and is dishwasher safe, with no loose or incorrectly assembled parts. Please hand wash the painted mug only. The Thermalock vacuum insulation keeps drinks hot for up to 5 hours or cold for 12 hours.