Select any temperature you want between room temp and boiling, and CAULDRYN will keep it precisely there ALL DAY! You no longer have to worry about rushing through your cup of coffee or using the microwave to heat it back up.  You can have your coffee or tea at the perfect temp from the first sip to the last. It makes every sip perfect.

CAULDRYN's powerful heating element can do more than just keep your coffee hot. You can brew coffee, heat up soup, cook, even boil right in the bottle.

Set your favorite temperature, and keep it there.  Cauldryn keeps your hot beverage in the drinking zone over 5 times longer than competitors, allowing you time to enjoy.