The Hercules Flask is ideal for those that enjoy active weekends by the water. The plastic outer and stainless steel interior make it one of our most durable products. With the ability to float on water, even when full, you’ll be sure to keep your drink by your side. Created with the Thermos® quality and performance you can rely on and with a 5 year guarantee, this 1L flask is the perfect riverside companion.
Thermos® vacuum insulation technology for maximum temperature retention, hot or cold
Rugged plastic outer shell and durable stainless steel interior
Includes extra-large cup
Twist and pour stopper allows you to pour without removing the stopper