Dewar's Tumbler

Thanks to the double-wall vacuum insulation, this tumbler is designed to maintain your beverage's temperature for several hours. While exact times vary based on ambient temperature and how often you open the lid, it is built to keep coffee hot through a morning commute and iced drinks chilled throughout the workday.

The snap-fit threaded lid is designed for a secure fit, which helps prevent accidental splashes and spills during daily use. However, it is not fully leak-proof, so we recommend keeping the tumbler upright in your bag rather than tossing it in loose.

To preserve the matte finish and the integrity of the vacuum seal, we recommend hand-washing the stainless steel body. The flexible silicone straw can be cleaned in the dishwasher, though a straw brush is often the most effective way to keep it spotless.

Yes, the straw is specifically designed with a wider diameter to accommodate thicker liquids like smoothies or protein shakes, making it much more versatile than standard, narrow straws.

With a 24-ounce capacity, this tumbler is designed to fit most standard vehicle cup holders. Its tapered base allows it to sit securely in the majority of console configurations.