Capacity: 4.0 Liters (approximately equivalent to 8 cups).
Insulation Performance: It features double-wall vacuum insulation designed to keep beverages hot or cold for up to 72 hours.
Material (SUS 304): The flask is constructed from food-grade SUS 304 stainless steel (also known as 18/8 stainless steel). This material is highly resistant to corrosion, rust, and staining, and is safe for acidic drinks like coffee or citrus juices.
Design: It includes a sturdy integrated handle for easy transport and a lid that doubles as a serving cup.