This 2-pack of Thermos stainless steel travel tumblers features 18-ounce capacity and vacuum insulation technology to keep beverages hot for up to 5 hours or cold for up to 14 hours. Each tumbler is constructed of high-quality stainless steel with minimal parts for durability and easy maintenance.

The slide lock lid helps prevent spills and leaks, making these tumblers perfect for on-the-go use. The compact design fits under single-serve brewers and in standard cup holders. The lid mechanism comes apart for thorough cleaning, and all components are dishwasher safe. Customers report the tumblers maintain temperature exceptionally well, with tight seals and leak-proof performance when properly assembled.