Zojirushi
18 oz. Stainless Steel Food Jar SW-KA52H
Best insulated container for commuters needing hot meals on the go.
Enjoy your favorite meals on the go with the Zojirushi 18 oz. Stainless Steel Food Jar. Its sleek, modern design and matte finish make it a stylish companion for any adventure. Engineered with Zojirushi's superior vacuum insulation and an innovative Therma Chamber lid, this jar keeps food hot or cold for hours. The durable 18/8 stainless steel construction ensures longevity, while the leak-proof stopper provides secure transport. A wide opening simplifies filling, eating, and cleaning, and all food-contact surfaces are BPA-free.
$39.99
Owner Satisfaction
4.6
/ 5
Category Rank
285
/ 986
#285 in Thermoses
Price vs Category Average
-25%
Below average
Model No.
52
/ SW-KAH
Who it's for
- Commuters needing hot meals throughout a long workday
- Busy professionals wanting easy filling and effortless cleanup
- Eco-conscious users seeking long-lasting, flavor-neutral food storage
Who should skip it
- Shoppers prioritizing value over premium brand performance
- Travelers requiring lightweight, space-saving lunch gear
- Minimalists preferring simple, low-maintenance kitchenware
Performance breakdown
Thermal Retention
Industry-leading vacuum insulation keeps meals at temperature for extended periods.
Leak-Proof Reliability
The one-piece stopper design ensures a secure, worry-free seal during transport.
Ease of Cleaning
Wide mouth opening allows for effortless access and thorough scrubbing.
Build Durability
High-grade 18/8 stainless steel construction withstands daily wear and tear.
Portability
Lightweight design fits easily into bags without adding unnecessary bulk.
User Experience
Pressure-relieving lid mechanism makes opening the jar simple and safe.
Key Specs
Model No.
SW-KA52H
Capacity
18 oz. / 0.52 liter
Material
Stainless Steel, Plastic
Dimensions
3‐7/8 x 3‐7/8 x 5‐3/4 inches
Weight
0.13 lbs
Heat Retention
153°F after 6 hours
Cold Retention
48°F after 6 hours
Lid Type
Tight-fitted lid with gasket
Features
- Exceptional heat and cold retention
- Durable stainless steel construction
- Innovative Therma Chamber lid
- Leak-proof one-piece stopper
- Pressure-relieving lid design
- Wide opening for easy use
- BPA-free food-contact surfaces
What customers say
Users overwhelmingly praise the Zojirushi food jar for its exceptional insulation, consistently keeping meals piping hot for many hours, often surpassing expectations. This reliability makes it ideal for transporting hot lunches. The wide mouth design is appreciated for simplifying filling, eating, and cleaning tasks. Build quality is noted as robust and durable, inspiring confidence in its longevity. While the initial cost is higher than some alternatives, customers agree that the superior, dependable performance fully justifies the investment, resulting in a strong perception of value. It is highly recommended for anyone needing a trustworthy solution for hot food transport.
Know before you buy
The jar is vacuum-insulated and designed to maintain a temperature of 153°F for up to 6 hours. For the best results, we recommend preheating the interior with boiling water for a few minutes before adding your food.
Yes, the jar features a leak-proof, one-piece stopper with a tight-fitted gasket. It is designed to be tossed into a bag without worrying about spills, provided the lid is screwed on securely.
The wide-mouth design is specifically engineered for convenience, making it easy to scoop food out with a spoon or fork. It also makes the jar much simpler to fill and clean compared to narrow-neck containers.
No, all food-contact surfaces on the SW-KA52H are completely BPA-free, ensuring your meals remain safe and free from unwanted chemicals.
The pressure-relieving design helps ensure the lid is easy to open, even when there is a significant temperature difference between the inside and outside of the jar. This prevents the vacuum seal from becoming stuck.
Zojirushi recommends hand-washing the jar to maintain the integrity of the vacuum insulation and the finish. The wide opening makes it easy to reach inside with a sponge or bottle brush for thorough cleaning.
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$40