21 Oz Stainless Steel Vacuum Insulated Food Thermos Jar

Keep Every Meal Hot or Cold — Wherever You Go

Meet your new lunchtime essential: the 21 oz Stainless Steel Vacuum Insulated Food Thermos Jar. Whether you're packing a hearty soup for the office, a warm stew for school, or a refreshing salad for a day out, this wide-mouth thermal jar keeps your food at the perfect temperature for hours. Lightweight, portable, and sealed tight — it's the smarter way to eat well on the go.

Made in Mainland China.

Why You'll Love It

• Superior Vacuum Insulation: Double-wall stainless steel construction locks in heat or cold, keeping food warm for up to 5 hours and cold for even longer.
• Wide Mouth Opening: The generous 21 oz wide-mouth design makes filling, eating, and cleaning a breeze — fits a spoon or fork easily.
• Leak-Proof Sealed Lid: The secure, airtight lid prevents spills in your bag, lunchbox, or backpack — no more messy surprises.
• Comfortable Carry Handle: The ergonomic handle makes it easy to take with you anywhere — school, work, camping, or travel.
• Food-Grade Stainless Steel: Made from premium stainless steel, it's BPA-free, odour-resistant, and won't transfer metallic tastes to your food.
• Compact & Lightweight: At just 388g and 13×13×12 cm, it fits neatly in most bags without adding bulk.
• Versatile Use: Perfect for soups, stews, porridge, salads, snacks, baby food, and more.
• Makes a Thoughtful Gift: An ideal present for kids, students, office workers, and food lovers for any occasion — birthdays, holidays, back to school, and more.

Product Specifications

• Capacity: 21 oz (approx. 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 / Lunch Box
• Batteries Required: No
• Recommended Age: 18+

Note: Due to variations between different monitors, colours may appear slightly different from the product images. Please keep this in mind before ordering.

Perfect for Every Occasion

Whether it's a school lunch, office meal prep, camping trip, or a thoughtful gift for the holidays, this insulated food jar is up to every challenge. Stay fuelled with food that's always ready at the right temperature.

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Food Safety & Storage Tips

For best results, pre-heat or pre-cool your jar before filling. Always clean thoroughly after each use. For more guidance on safe food handling and storage temperatures, visit the FDA's Safe Food Handling guide.

Frequently Asked Questions

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

A: Thanks to its double-wall vacuum insulation, this stainless steel food thermos jar can keep food hot for approximately 4–5 hours and cold for several hours, depending on the ambient temperature and how well the lid is sealed.

Q: Is this food jar safe for children to use?

A: The jar is made from food-grade stainless steel and is BPA-free, making it safe for storing food and liquids. It is recommended for ages 18+ as a primary user, but it is perfectly suitable for packing school lunches for older children under adult supervision.

Q: Is the lid truly leak-proof for carrying in a bag?

A: Yes! The sealed, airtight lid is designed to prevent leaks and spills, making it safe to carry in a backpack, tote, or lunch bag without worry. Always ensure the lid is fully tightened before placing it in your bag.

Q: Can I put this thermos food jar in the dishwasher?

A: For best longevity and to preserve the vacuum insulation, hand washing is recommended. Use warm, soapy water and a soft brush to clean the interior thoroughly after each use.

Q: What kinds of food can I store in this jar?

A: This wide-mouth vacuum insulated jar is perfect for soups, stews, chilli, oatmeal, pasta, rice, salads, snacks, yoghurt, baby food, and more. Its wide opening makes it easy to fill and eat directly from the jar.