Zojirushi
10 oz. Stainless Steel Food Jar SW-KA30
Best compact food container for commuters and students on the go.
Enjoy your favorite meals on the go with the Zojirushi Stainless Steel Food Jar. This 10 oz. jar utilizes Zojirushi's advanced vacuum insulation and a special Therma Chamber lid to keep food hot or cold for hours. Crafted from durable 18/8 stainless steel with a SlickSteel® finish, it resists stains and corrosion. The leak-proof stopper ensures no spills, while the wide opening simplifies filling, eating, and cleaning. All parts that come into contact with food are made from BPA-free plastic, ensuring safe and healthy meal enjoyment wherever you are.
$36.99
Owner Satisfaction
4.8
/ 5
Category Rank
3
/ 986
#3 in Thermoses
Price vs Category Average
-30%
Below average
Model No.
30
/ SW-KA
Who it's for
- Commuters needing reliable temperature control for hours
- Parents packing snacks or small meals for children
- Users prioritizing easy maintenance and long-term durability
Who should skip it
- Hungry adults requiring full-sized meal portions
- Budget-conscious shoppers seeking affordable kitchen gear
- Busy individuals who rely on dishwasher convenience
Performance breakdown
Thermal Retention
Advanced vacuum insulation keeps meals at ideal temperatures for hours.
Build Durability
18/8 stainless steel construction ensures long-term resistance to daily wear.
Leak-Proof Reliability
Secure stopper design prevents messy spills during transit in your bag.
Ease of Cleaning
Wide mouth opening allows for effortless access and thorough scrubbing.
Portability
Compact and lightweight frame fits easily into any lunch bag.
Material Safety
BPA-free components ensure your food remains safe and untainted.
Key Specs
Model No.
SW-KA30
Capacity
10 oz. / 0.30 liter
Dimensions (W x D x H)
3‐7/8 x 3‐7/8 x 4-3/8 inches
Weight
0.11 lbs.oz.
Heat Retention After 6 Hours
136°F
Cold Retention After 6 Hours
50°F
Material
18/8 stainless steel and BPA-free plastic
Insulation Type
Vacuum Insulated
Features
- Keeps food hot or cold for hours
- Superior vacuum insulation technology
- Therma Chamber lid for enhanced heat retention
- Durable stainless steel construction
- Stain and corrosion-resistant finish
- Leak-proof design for secure transport
- Wide opening for easy use and cleaning
- BPA-free food contact surfaces
What customers say
Customers overwhelmingly praise the Zojirushi SW-KA30 for its exceptional thermal performance, reliably keeping meals hot or cold for many hours. This compact 10-ounce jar is perfectly sized for single servings. Reviewers highlight the durable stainless steel build and the confidence provided by the robust leak proof lid. The wide mouth design significantly simplifies both filling and cleaning tasks. While the initial cost is higher, users agree the superior temperature retention, longevity, and guaranteed leak free experience deliver excellent value. This food jar is celebrated as a highly reliable and effective solution for transporting temperature sensitive foods.
Know before you buy
The SW-KA30 is designed to maintain a temperature of 136°F for hot items and 50°F for cold items over a six-hour period. For best results, we recommend pre-heating or pre-chilling the jar with hot or ice water before adding your food.
Yes, the jar features a secure, leak-proof screw-top stopper. As long as the lid is tightened properly, you can confidently carry it in a bag or backpack without worrying about spills.
Yes, the wide-mouth design is specifically engineered for convenience, making it easy to eat directly from the jar with a spoon. It also makes the jar much simpler to fill and clean compared to narrow-necked containers.
Absolutely. All components that come into direct contact with your food are made from BPA-free plastic and high-quality 18/8 stainless steel, ensuring your meals remain safe and free from unwanted chemical leaching.
The wide opening allows for easy access with a sponge or bottle brush. While the stainless steel finish is resistant to stains and corrosion, we recommend hand washing the components to maintain the integrity of the vacuum seal and the exterior finish.
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Ready to buy?
$37