The Thermos Big Boss 1.39L Food Jar is a large-capacity insulated food jar designed for bigger meals, long workdays, family outings, camping, sports days and travel. With trusted Thermos™ vacuum insulation technology, it helps keep food hot for up to 10 hours or cold for up to 24 hours, making it a practical choice when you need meals to stay fresh for longer.

Made from durable 18/8 stainless steel, this food jar is built for everyday use while offering excellent temperature retention. The extra-wide mouth makes it easy to fill, serve from, eat from and clean, while the built-in carry handle makes it easier to take warm or cold meals on the go.

It also includes 2 separate inner food containers, making it easier to portion food, pack different meal items, or share food when out and about. The lid can also be used as a serving bowl, adding extra convenience for busy days.

Why customers love it

• Large 1.39L / 47oz capacity — ideal for bigger meals
• Keeps food hot for up to 10 hours
• Keeps food cold for up to 24 hours
• Thermos™ vacuum insulation technology for reliable temperature retention
• Durable 18/8 stainless steel interior and exterior
• Great for hot meals, soups, stews, rice, pasta, noodles, salads and cold foods
• Includes 2 separate inner food containers for portioning or sharing
• Wide mouth opening makes filling, serving and cleaning easier
• Built-in carry handle for easy transport
• Lid can be used as a serving bowl
• Pressure relief stopper helps make opening easier
• Exterior stays cool to touch with hot food
• Sweat-proof with cold food
• Dishwasher safe, top rack recommended
• Practical for work, travel, camping, sports and family days out

Good to know

• Capacity: 1.39L / 47oz
• Material: 18/8 stainless steel
• Insulation: Thermos™ vacuum insulation technology
• Keeps food hot for: Up to 10 hours
• Keeps food cold for: Up to 24 hours
• Includes: 2 inner food containers
• Carrying: Built-in carry handle
• Lid: Can be used as a serving bowl
• Care: Dishwasher safe, top rack recommended
• Best for: Large meals, meal prep, work lunches, outdoor meals and travel

Tips for best temperature performance

For hot food, pre-heat the jar with boiling water for a few minutes before filling. For cold food, pre-chill the jar with cold water or ice water before use. Empty the water first, then add your food and close the lid tightly to help maximise temperature retention.

Perfect for

Work lunches, family outings, camping, road trips, sports days, picnics, meal prep, soups, stews, pasta, rice, noodles, salads, shared meals and anyone needing a large insulated food jar for long days out.

Brand

Thermos is a trusted name in insulated food and drink containers, known for reliable vacuum insulation and durable everyday design. Thermos food jars help keep hot meals hot and cold foods fresh for longer, making lunches, travel and outdoor meals easier.