This is a Daydays 15-liter twin stainless steel water flask. [1, 2]
Capacity: It has a total capacity of 15 liters, comprised of two separate 7.5-liter containers.
Functionality: Designed to keep beverages both hot and cold, featuring two taps for dispensing.
Features: Includes a convenient handle for transportation and often comes with 8 small cups.
Dimensions: The packaging indicates it is model IDG-1500SA2CTM.