The Autoseal West Loop travel mug is the ideal companion for modern doers, commuters, travelers, and the explorer in all of us. Whether you're on the go by car, train, plane, or 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 features a one-handed drinking button. Press the Autoseal button to drink. Release the button to seal. The unique cup shape is available in various colors and fits most car cup holders. The drinking button is operable with one hand—perfect for on-the-go use. The one-piece lid fully opens for easy cleaning and is dishwasher safe—no loose or misaligned parts. Please hand wash the painted mug. The Thermalock vacuum insulation keeps drinks hot for up to 5 hours or cold for 12 hours.