It features double-wall vacuum insulation and a durable, non-toxic, rust-resistant stainless steel interior and exterior.
The flask is suitable for use at school, the office, home, or during travel and outdoor activities like camping or hiking.
Many models have a wide mouth, making them easy to fill, eat from, and clean.
Capacities vary by model, often available in sizes such as 830 ml.
Some models include a plastic folding spoon stored in the lid.