21 Oz Stainless Steel Vacuum Insulated Food Jar & Thermos Lunch Box

Keep Your Meals Hot or Cold for Hours — Anywhere You Go

Meet your new go-to mealtime companion: a 21 oz wide-mouth stainless steel vacuum insulated food jar designed for kids and adults alike. Whether you're heading to school, the office, a picnic, or a long commute, this portable thermos lunch box keeps soups, stews, oatmeal, and more at the perfect temperature from morning until lunchtime.

Why You'll Love It

• Vacuum Insulation Technology: Double-wall vacuum construction locks in heat or cold, keeping food warm for up to 6 hours and cold for up to 12 hours.
• Wide Mouth Opening: Makes it easy to fill, eat directly from the jar, and clean thoroughly after use.
• Premium Stainless Steel Interior: Food-grade stainless steel is naturally resistant to odors and stains — no lingering smells, ever.
• Portable Handle Design: Convenient carry handle for easy transport to school, work, or outdoor adventures.
• Leak-Proof Sealed Lid: Secure locking lid keeps contents safely contained in your bag without spills.
• Compact & Lightweight: At just 388g and 13×13×12 cm, it fits comfortably in any lunch bag or backpack.
• Versatile Gift Idea: Ideal for birthdays, back to school, holidays, graduations, and more.

Specifications

• Capacity: 21 oz (approximately 620 ml)
• Material: Stainless Steel
• Package Weight: 388g
• Package Size: 13 × 13 × 12 cm (please allow 1–3 mm variance due to manual measurement)
• Package Includes: 1 × Insulated Food Jar / Thermos Lunch Box
• Country of Origin: Made in China

Note: Colors may vary slightly due to monitor calibration differences. Please keep this in mind before ordering.

Perfect for Every Occasion

From school lunches for the kids to hot soup at the office, this thermos lunch box is an everyday essential. It also makes a thoughtful and practical gift for birthdays, holidays, graduations, back-to-school season, and more.

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For more information on food safety and proper food storage temperatures, visit the FDA's Safe Food Storage Guidelines.

Frequently Asked Questions

Q: How long does this insulated food jar keep food hot?

A: Thanks to its double-wall vacuum insulation, this stainless steel food jar keeps food hot for up to 6 hours and cold for up to 12 hours, making it perfect for school lunches, work meals, or outdoor outings.

Q: Is the stainless steel food jar safe for soups and liquids?

A: Yes! The jar features a food-grade stainless steel interior and a secure, leak-proof sealed lid, making it safe and mess-free for soups, stews, porridge, and other liquids.

Q: How do I clean the vacuum insulated food jar?

A: The wide-mouth opening makes cleaning easy. Simply wash with warm soapy water and a bottle brush after each use. Hand washing is recommended to preserve the vacuum insulation and finish.

Q: Is this thermos lunch box suitable for kids?

A: Absolutely. The compact size, easy-carry handle, and simple wide-mouth lid make this insulated food jar a great choice for school-aged kids and adults alike.