Collection: Stainless Steel Food Jars
Discover Stainless Steel Food Jars made to keep meals hot or cold for hours—ideal for soups, grains, and snacks on the go. Double-wall insulation, leak-resistant lids, and easy-clean designs support busy routines from office to campus. Curated by Preply to help you prep smarter and carry real food comfortably, every day.
Why Stainless Steel Food Jars
High-quality stainless steel resists odors and stains, while vacuum insulation minimizes heat transfer so meals stay at safe, enjoyable temperatures. Whether you pack hearty chili, ramen, overnight oats, or fruit and yogurt, an insulated jar offers convenient portability with fewer spills. With Preply’s curated selection, you get practical capacities, user-friendly lids, and rugged builds that fit modern, on-the-go lifestyles.
Key Features to Look For
- Double-wall vacuum insulation to hold heat or cold for hours.
- Leak-resistant lids with silicone gaskets for confident carry.
- Wide-mouth openings for easy filling, eating, and cleaning.
- BPA-free components in contact surfaces and gaskets.
- Condensation control to keep exteriors dry in cold use.
- Portable capacities (10–24 oz) for kids, commuters, and hikers.
- Integrated utensil storage or nesting lids (select models).
Use Cases
Work & Commute: Pack soup, stew, curry, or pasta to avoid takeout and manage portions. School & Campus: Prep mac and cheese, dumplings, fried rice, or porridge in durable jars kids and students can open easily. Outdoors & Travel: Keep oatmeal hot for trailheads or chilled fruit for beach days without bulky coolers.
Pairing with Other Collections
For full-day carry, combine jars with Everyday Daypacks or Classic Lunch Totes that include upright bottle sleeves. Use Bento Box Carriers for sides and snacks, and add Reusable Ice Packs when packing cold items. Organize cutlery and napkins in compact Boxes & Bags to keep lids and spoons clean.
Packing & Temperature Tips
- Pre-heat or pre-chill: Fill the jar with hot water for 5 minutes (hot foods) or ice water (cold foods), then empty and load.
- Fill efficiently: Leave a small headspace so the lid seals without pressure buildup.
- Layer smart: Dense items like grains or noodles at the bottom; broths or sauces on top.
- Seal promptly: Close the lid right after filling to reduce heat loss or warming.
- Check tightness: Ensure the gasket is seated; avoid overtightening to protect threads.
Care & Cleaning
Rinse after use and wash with mild soap; use a soft bottle brush for the interior and lid channels. Remove silicone gaskets periodically to clean residue under the seal and air-dry fully. Avoid bleach or abrasive pads that can damage finishes. For lingering aromas, soak with warm water and baking soda, then rinse thoroughly.
Size & Capacity Guide
- 10–12 oz (Kids/Light Meals): Great for yogurt, oatmeal, or side soups.
- 14–16 oz (Daily Standard): Most versatile for single-serve soups, pasta, or rice bowls.
- 18–24 oz (Hearty/Full Meal): Extra space for stews, substantial grains, or layered salads.
How to Choose
- Match your meals: Soup lovers may prefer taller profiles; mixed bowls suit wider jars.
- Lid design: Select simple twist lids for reliability; consider vented caps for steam release.
- Grip & carry: Look for textured exteriors or handles if you open jars on the move.
- Jar diameter: Ensure it fits your lunch bag or side pocket upright.
- Maintenance ease: Fewer parts and wide mouths speed cleaning and drying.
Preply Curated Selection
At Preply, we curate stainless steel food jars that balance real-world durability, temperature performance, and everyday convenience. Each pick supports healthier routines—bringing homemade warmth to your desk or chilled freshness to your commute—so you can prep with intention and eat well anywhere.
FAQs
How long do jars keep food hot or cold?
Performance varies by capacity and insulation, but many maintain temperature for several hours when pre-heated or pre-chilled.
Are the lids leakproof?
Most lids are leak-resistant with silicone gaskets; use sealed containers for thin liquids if carrying horizontally.
Can I put jars in the dishwasher?
Many bodies are top-rack dishwasher safe; hand-wash lids and gaskets for longevity. Check individual product care notes.

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KTKUDY 17 oz Thermo for Hot Food - Stainless Steel Insulated Food Jar with Folding Spoon - Wide Mouth Soup Thermos for Kids & Adults - Thermal Lunch Container - Keeps Hot 12H / Cold 20H
Regular price $28.97 USDRegular priceUnit price / per -
KTKUDY 17 oz Thermo for Hot Food - Stainless Steel Insulated Food Jar with Folding Spoon - Wide Mouth Soup Thermos for Kids & Adults - Thermal Lunch Container - Keeps Hot 12H / Cold 20H
Regular price $28.97 USDRegular priceUnit price / per -
Thermo for Hot Food 32oz, Vacuum Insulated Food Jar for Adults, Stainless Steel Soup Thermo Wide Mouth Leakproof Lunch Containers with Spoon for School Office, Pink
Regular price $43.49 USDRegular priceUnit price / per -
Thermo for Hot Food 32oz, Vacuum Insulated Food Jar for Adults, Stainless Steel Soup Thermo Wide Mouth Leakproof Lunch Containers with Spoon for School Office, Green
Regular price $43.49 USDRegular priceUnit price / per -
Thermo for Hot Food 32oz, Vacuum Insulated Food Jar for Adults, Stainless Steel Soup Thermo Wide Mouth Leakproof Lunch Containers with Spoon for School Office, Blue
Regular price $43.49 USDRegular priceUnit price / per -
Thermo for Hot Food 32OZ Soup Thermo for Adults Vacuum Insulated Stainless Steel Food Jar Wide Mouth Leakproof Lunch Containers with Spoon for School Office
Regular price $43.49 USDRegular priceUnit price / per -
Thermo for Hot Food 32oz, Vacuum Insulated Food Jar for Adults, Stainless Steel Soup Thermo Wide Mouth Leakproof Lunch Containers with Spoon for School Office, Beige
Regular price $43.49 USDRegular priceUnit price / per -
MAXSO Lunch Container 40 oz for Adults Stainless Steel Vacuum Insulated Food Jar, Soup Thermo for Hot Food Thermal Bento Box, Wide Mouth Leakproof Buckle Lid with Spoon - Blue
Regular price $39.14 USDRegular priceUnit price / per -
MAXSO Lunch Container 40 oz for Adults Stainless Steel Vacuum Insulated Food Jar, Soup Thermo for Hot Food Thermal Bento Box, Wide Mouth Leakproof Buckle Lid with Spoon - Black
Regular price $39.14 USDRegular priceUnit price / per -
MAXSO Lunch Container 40 oz for Adults Stainless Steel Vacuum Insulated Food Jar, Soup Thermo for Hot Food Thermal Bento Box, Wide Mouth Leakproof Buckle Lid with Spoon - Green
Regular price $39.14 USDRegular priceUnit price / per -
MAXSO Lunch Container 40 oz for Adults Stainless Steel Vacuum Insulated Food Jar, Soup Thermo for Hot Food Thermal Bento Box, Wide Mouth Leakproof Buckle Lid with Spoon - Pink
Regular price $34.79 USDRegular priceUnit price / per -
Blockhütte Thermos for Hot Food - 34 oz Vacuum Stainless Steel Thermal Lunch Box, Leakproof Soup Thermos, Wide Mouth Insulated Food Jar
Regular price $50.71 USDRegular priceUnit price / per -
67oz Thermo for Hot Food, 3 Tier Stainless Steel Leak Proof Stackable Thermo Food Jar, lunch box Containers With Folding Spoon For Office Picnic Travel Outdoors (Matte Black)
Regular price $49.29 USDRegular priceUnit price / per -
THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Midnight Blue
Regular price $32.48 USDRegular priceUnit price / per -
THERMOS Stainless King Vacuum-Insulated Food Jar with Spoon, 16 Ounce, Matte Stainless Steel
Regular price $28.62 USDRegular priceUnit price / per -
Glitter Bento Box Lunch Box for Kids Girls, Cute School Snack Meal Prep Container for Lunches, Pink
Regular price $24.64 USDRegular priceUnit price / per

Slower Meals, Sweeter Moments
Prep with joy. Cook with care. Eat like every meal matters.