Perfect travel mug - This mug is just the right size to be a travel companion. Plus, the Thermalock, double-walled vacuum insulation locks in temperature, keeping drinks hotter up to 7 hours or colder up to 20 hours | Sealed for protection - Powered by patented Autoseal technology, the West Loop travel mug automatically seals between sips; Reducing spills and temperature changes of coffee, tea, or any other beverage | Cleaning made easy - The easy-clean lid pivots completely open to easy wash the inside of your lid, which is dishwasher safe (top rack only); The lid is one connected piece, so there are no parts to accidentally misplace | Designed with convenience in mind - The West Loop travel mug fits in most car cup holders and allows for convenient one-handed operation | Premium features - Made from premium 18/8 stainless steel and BPA-free materials. The West Loop travel mug is sleek, durable, and the mug’s metallic finish is super stylish