Ahrex Drinking Bottle: When it comes to staying hydrated in the field, the Ahrex thermos bottle is the must-have accessory for every angler. With its double insulation and stainless steel construction, it keeps your beverages warm for up to 12 hours and cool for up to 24, ensuring that your morning coffee or fresh water stays with you throughout your fishing day. Its 500 ml capacity is perfect for long days on the water. Follow the handy tip and preheat the thermos with hot (or cold) water to further extend the desired temperature of your drink. Robust and built to last, this bottle requires minimal maintenance, with hand-washing recommended to preserve its quality. And for added safety, it is not intended for use in a microwave oven.