Our Smart Tumblers instantly show your drink's temperature via an integrated LED display on the lid. This allows you to easily see when your drink is at the ideal temperature for sipping. Some models may also feature extra functions like temperature alarms or hydration reminders.

All Nautica Smart Tumblers are made with double-walled, stainless steel vacuum insulation. This technology helps to keep your beverages hot for 6-12 hours, and cold drinks can stay chilled for up to 24 hours.

To protect the tumbler body's insulation, we recommend handwashing it. Crucially, the lid, which houses the temperature display, must not be placed in the dishwasher, as this can cause permanent damage to the electronic components.

Yes, the temperature display typically runs on a long-lasting coin cell battery. These batteries are designed to last the life of the device and do not require external charging.