THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon – Durable School Lunch Container for Kids' Lunchbox, 16 oz Matte Rose
THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon – Durable School Lunch Container for Kids' Lunchbox, 16 oz Matte Rose
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Why you'll love it
- 9-hour hot and 14-hour cold retention means food stays at the right temperature all day without reheating
- 18/8 stainless steel construction holds up to drops, dents, and outdoor abuse unlike glass competitors
- Folding spoon stored in the lid eliminates the need to pack separate utensils
- Insulated lid doubles as a serving bowl for true one-container eating
- Wide color range (Midnight Blue, Matte Rose, Army Green, etc.) lets buyers match personal style or coordinate as gifts
- Sweat-proof exterior protects bags, papers, and electronics from condensation damage
Perfect for
- Keeping homemade soup or chili hot through a full workday or school day
- Storing cold yogurt, oatmeal, or fruit on hot summer outings
- Camping and backpacking meals that need to stay hot without reheating
- Road trip meals and snacks that won't leak or spill in the car
- Bulk family meal prep using the 4-pack variant for multiple household members
There's a lot that goes into a Thermos product.
Superior insulation technology, long term durability, and seriously dependable features. But there's one thing built into every Thermos product that stands out even more: how much we care. Since 1904, we've cared about what goes into every Thermos container, choosing the highest quality and most innovative materials to create reusable (and really reliable) products. It's why generations of families still trust Thermos brand to keep their favorite food and drinks hot or cold throughout the day.
Built-in portability. Gear that doesn't take a day off.
Vacuum Insulated - Keeps hot for 9 hours and keeps cold for 14 hours
No spills + no surprises. We care because you do, too.
The Stainless King Collection
Don't Lose Steam.
Get the job done with the gear that doesn't take a day off. Hots stay Hot. Colds stay Cold. You stay focused on everything else.
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Product Information
STAYS HOT OR COLD: THERMOS vacuum insulation technology for maximum temperature retention of hot or cold meals. Keeps the weather out and the delicious in. Soups stay hot for up to 9 hours and cold foods stay cold up to 14 hours
EXTREMELY DURABLE: High quality 18/8 stainless steel construction is dependable any time of the year, from lunch on-the-go to camping in the wilderness
SWEAT-PROOF: Exterior stays cools to the touch with hot contents and sweat-proof with cold. THERMOS brand food jars are dishwasher safe, top rack recommended
SPOON INCLUDED: A full-sized spoon that folds for conveniently storing inside of lid. The insulated lid doubles as a built-in serving bowl
OTHER CAPACITIES: Love the food jar but looking for a different size? The STAINLESS KING food jar also comes in a 24 ounce and 47 ounce capacity
This rough and tumble stainless steel travel mug is great for long treks or long road trips—to the wilderness or across town. The perfect travel companion. The STAINLESS KING Travel Mug is durable, dependable, and designed for the long haul. Keeps your morning coffee or tea hot for up to 7 hours and iced drinks cold for up to 18 hours. The DRINKLOCK sealing lid is leak-proof when closed for peace of mind. Features a built-in tea hook that holds tea bags or most loose leaf infusers. Exterior stays cool to the touch with hot beverages and sweat-proof with cold. THERMOS brand mugs are dishwasher safe, top rack recommended.Recommended Uses For Product: Coffee, Meals, Tea
Item Form: Round
Global Trade Identification Number: 00041205747529
Item Type Name: Vacuum-Insulated Food Jar with Spoon,
Included Components: Food Jar
Other Special Features of the Product: Manual
Closure Type: Twist Lock
Capacity: 16 ounces
Item Dimensions L x W x H: 3.7"L x 3.7"W x 5.5"H
Package Quantity: 1
Item Weight: 0.8 Pounds
Item Volume: 16 Fluid Ounces
Size: 16 Ounce
Material Type: Stainless Steel
Material Features: Dishwasher Safe
Is the item dishwasher safe?: Yes
Product Care Instructions: Dishwasher Safe, Top Rack Recommended
Is the item microwaveable?: No
Color: Midnight Blue
Container Shape: Round
Frequently Asked Questions
Is the THERMOS Stainless King safe for young children to carry in their lunchbox to school?
Yes. The sweat-proof exterior stays cool to the touch even with hot food inside, so little hands will not get burned, and there is no flame, glass, or fragile components to worry about.
Will the THERMOS Stainless King survive being dropped, thrown, or sat on by an active kid?
The 18/8 stainless steel body is built to withstand drops, dents, and playground abuse far better than glass food jars, which is why it is a popular choice for grade-school kids.
Is the THERMOS Stainless King the right size to fit inside a standard kids' lunchbox bag?
The 16 oz size is the most popular for kids and fits comfortably inside most standard insulated lunch totes alongside an ice pack, snack container, and water bottle.
Can a child easily open and close the THERMOS Stainless King lid at school without help?
Yes. The wide-grip lid is designed to twist open and closed with typical child hand strength, and it seals securely enough to prevent backpack leaks without being overly difficult.
Does the THERMOS Stainless King keep soup or pasta hot until a late-afternoon school lunch period?
Yes. The 9-hour hot retention means food packed in the morning will still be warm during a 12 PM or even 1 PM lunch period, which is essential for younger students with early schedules.
Is the THERMOS Stainless King a good choice for packing lunches for multiple kids in the same family?
Yes. The 4-pack configuration lets parents color-coordinate a jar per child, and the dishwasher-safe construction makes cleanup for the whole crew much faster.
How does the THERMOS Stainless King compare to plastic kids' lunch containers for school?
Unlike plastic, stainless steel does not stain from tomato sauce, does not absorb lunch odors, does not warp in the dishwasher, and actually keeps food at the right temperature through a full school day.
Is the THERMOS Stainless King safer for kids than glass food jars?
Yes. The 18/8 stainless steel body will not shatter if dropped on a cafeteria floor or playground, making it a much safer choice for elementary-aged children.
Can I pack hot mac and cheese or chicken noodle in the THERMOS Stainless King for my picky eater?
Absolutely. Hot pasta, soup, and rice dishes are exactly what it is designed for, and picky eaters are far more likely to eat a warm, homemade meal than a cold sandwich.
Does the THERMOS Stainless King come in fun colors that appeal to kids?
Yes. The color range includes kid-friendly options like Matte Rose, bright blues, and army green, and the 4-pack allows each child to pick their favorite color.
Is the THERMOS Stainless King too heavy for a small child to carry in their backpack?
The 16 oz size is lightweight and ergonomically sized for children to carry, and because it doubles as both the container and the bowl, you can leave separate bowls and utensils at home to save pack weight.
Will the THERMOS Stainless King leak inside my child's backpack if the lid is not perfectly tightened?
The threaded lid creates a secure vacuum seal, and the included folding spoon stores inside the lid so it does not rattle loose. As long as it is hand-tightened by an adult at home, it will not leak.
Is the THERMOS Stainless King easy for a parent to clean after sticky school lunches?
Yes. The dishwasher-safe top-rack design handles everything from spaghetti sauce to oatmeal, and the wide mouth makes hand-washing fast and thorough between dishwasher cycles.
How do I pre-heat the THERMOS Stainless King so my food stays hot the full 9 hours?
Fill the jar with boiling water, close the lid, and let it sit for 5 to 10 minutes. Empty the water, then immediately add your piping-hot food, close the lid tightly, and the jar will hold heat closer to the full 9-hour rating.
Can the THERMOS Stainless King go in the dishwasher, or do I need to hand-wash it?
It is dishwasher safe on the top rack. For best long-term results, hand-washing with warm soapy water and a bottle brush is recommended, especially for the lid and spoon compartment.
How do I clean the lid and the folding spoon compartment of the THERMOS Stainless King?
Unscrew the lid, remove the folding spoon, and wash both pieces in warm soapy water. The lid is also top-rack dishwasher safe, but a small brush helps clear any food residue from the spoon channel.
Will the THERMOS Stainless King fit in standard cup holders and lunch bag pockets?
The 16 oz size fits most car cup holders and standard lunch bag side pockets. The 24 oz fits in larger cup holders and the main compartment of most insulated lunch totes, while the 47 oz is best for car commutes and meal prep sessions.
Is the THERMOS Stainless King compatible with the THERMOS brand replacement lids and accessories?
Yes, official THERMOS brand replacement lids, gaskets, and folding spoons are available in matching sizes. Third-party accessories with the same 16, 24, or 47 oz thread patterns also work, though OEM parts are recommended for the best seal.
What is included in the box when I order the THERMOS Stainless King?
Each jar ships with the vacuum-insulated stainless steel body, the insulated screw-on lid with built-in serving bowl, and the integrated folding spoon stored in the lid compartment. The 4-pack includes four complete jars in the chosen color.
Is the THERMOS Stainless King BPA-free and safe for daily food contact?
Yes. The interior is made from food-grade 18/8 stainless steel with no plastic touching the food, and the lid components are BPA-free and certified food safe.
Will the THERMOS Stainless King rust, dent, or corrode over time with regular use?
The 18/8 stainless steel body is highly resistant to rust and corrosion under normal use, and the powder-coated exterior hides minor scuffs. Avoid prolonged exposure to saltwater or harsh chemicals to keep the finish pristine.
What is the difference between a vacuum-insulated food jar and a regular insulated lunch box?
A vacuum-insulated food jar uses a double wall with the air removed between layers, which eliminates heat transfer through convection and keeps food at serving temperature for hours. A regular insulated lunch box only slows heat loss and typically cannot hold food safely hot beyond 2 to 3 hours.
