The Verdict
The Thermos Stainless King 47oz Food Jar is a heavy-duty, vacuum-insulated solution for keeping meals at your preferred temperature for hours on end. It offers a practical way to transport soups, salads, and snacks, making it a reliable insulated food jar for both commuters and outdoor explorers.
Why We Love It (Key Features)
- Impressive Temperature Retention: Thanks to Thermos vacuum insulation technology, this jar keeps hot foods hot for up to 10 hours and cold foods cold for up to 24 hours, ensuring your meal is ready when you are.
- Travel-Ready Design: Built with 18/8 stainless steel and featuring a leak-proof lid with a pressure relief stopper, it is designed to prevent spills and handle the rigors of travel or camping trips.
- Includes Smart Storage: The set comes with two 20oz plastic containers, providing extra organization for your food items while fitting perfectly within the 47oz jar.
- User-Friendly Maintenance: The wide-mouth design makes it easy to fill, eat from, and clean, and the unit is top-rack dishwasher safe for effortless care.
Pros & Cons
| Pros | Cons |
|---|---|
| Keeps contents hot for 10 hours or cold for 24 hours | Requires significant storage space due to its 47oz capacity |
| Durable 18/8 stainless steel construction | Hand-washing may be preferred to maintain longevity, despite being dishwasher safe |
| Includes two internal 20oz plastic containers | Larger profile may not fit into standard-sized lunch bags |
| Exterior remains sweat-proof and cool to the touch |
Who Should Buy This?
This food jar is an excellent match for commuters who want a warm, homemade lunch at the office rather than relying on vending machines, as well as outdoor enthusiasts who need reliable thermal performance for hiking or camping trips. If you prioritize meal prep and want a versatile container that can handle both hot soups and crisp cold salads, the capacity and construction of this Stainless King model will serve you well.
Frequently Asked Questions
How do I make sure my food stays as hot as possible?
To get the best performance out of your insulated food jar, preheat it by filling it with boiling water for 5 to 10 minutes, then empty it before adding your hot food.
Is this container safe to put in the dishwasher?
Yes, the unit is dishwasher safe, though we recommend using the top rack to keep it in the best condition.
Will the exterior get hot when filled with boiling soup?
No, the double-wall stainless steel construction ensures the exterior stays cool to the touch with hot liquids and remains sweat-proof when holding cold items.









4.0 out of 5 stars Metal Thermos Good thermos for food. It keeps food hot for several hours and has a practical size to take to work . The materials feel resistant and it is easy to clean. I give it 4 stars because I expected it to keep the heat for a little longer, but in general it fulfills its function very well and offers good value for money. I would recommend it for daily use.Variation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars ⭐⭐⭐⭐⭐ Highly recommended “Excellent thermos for food. It keeps the food hot for many hours and the quality of the stainless steel is noticeable from the first use. It is resistant, easy to transport and does not leak. The size is ideal for taking lunches to work or traveling. I am very happy with the purchase and I would buy it again.”Variation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars Recommend Excellent quality, keeps food very hot; I recommend it.Variation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars Thermos Stainless King are perfect for keeping your meals warm. I love this thermos since I can have my hot food all day without any problem.Variation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars Worth it! Quality product that keeps food warm for hours!Variation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars Keeps foood hot for hours I’m really happy with this food thermos. It keeps my food hot for several hours, which is perfect for work or when I’m on the go. It’s a good size, easy to carry, and the quality feels great. It works exactly as expected. I definitely recommend itVariation: Color: Matte Stainless SteelSize: 47 Ounces
5.0 out of 5 stars THERMOS Stainless King Food Jar with Spoon, 16oz, Matte Steel Good quality good tight seal love the design on the go keeps food warm easy to take on the go and tough build.Variation: Color: Matte SteelSize: 16 Ounce
5.0 out of 5 stars Good quality Very good quality and good customer support From Thermos as i was able to order 2 Thermos stoppers for others that I have with missing stoppers.It’s the perfect size to hold plenty of cold drink with plenty of ice. The stopper let’s you use thermos as a drink shaker/mixer to mix ice with juice,Coke, or Gatorade on a hot day