550ml Stainless Steel Thermal Lunch Box – Double Layer Bento
Keep Meals Fresh & Hot — Wherever You Go
The 550ml Stainless Steel Thermal Lunch Box is the smart, stylish way to enjoy a hot home-cooked meal at the office, school, or on the go. Featuring a double-layer, stackable design, this insulated bento container locks in heat so your food stays at the perfect temperature from morning prep to lunchtime.
Why You'll Love It
- Superior Heat Retention: Double-wall vacuum insulation keeps food warm for hours — no microwave needed at lunchtime.
- Food-Safe 304 Stainless Steel: The inner container is crafted from premium, food-grade 304 stainless steel — rust-resistant, non-toxic, and easy to clean.
- Leak-Proof Lid: A tight-sealing lid means no spills in your bag, keeping your belongings safe and your lunch intact.
- Compact & Portable: At just 11.5 × 11.5 × 8.5 cm and approximately 178 g (6.3 oz), this round bento box slips effortlessly into a backpack, tote, or desk drawer.
- 2-Tier Stackable Design: Separate your main course from sides, snacks, or fruit — all in one neat, space-saving container.
- Available in 3 Colors: Choose your favorite to match your personal style.
- Easy to Clean: Smooth stainless steel surfaces wipe down in seconds; the plastic lid components are also easy to rinse clean.
Product Specifications
- Capacity: 550 ml
- Dimensions: Approx. 11.5 × 11.5 × 8.5 cm
- Weight: Approx. 178 g / 6.3 oz
- Materials: Food-grade 304 Stainless Steel (inner), Stainless Steel (outer), BPA-free Plastic (lid)
- Shape: Round, 2-tier stackable
- Colors Available: 3 options
Perfect For
Whether you're a student, a busy professional, or a parent packing school lunches, this thermal bento box is a versatile everyday essential. It's equally at home in a lunch bag or as a compact cooking vessel for small portions — a thoughtful gift for anyone who loves a hot meal on the move.
For guidance on safe food storage temperatures and best practices, visit the FDA's Safe Food Handling Guide.
Frequently Asked Questions
Q: How long does the stainless steel thermal lunch box keep food hot?
A: Thanks to its double-layer insulated construction, this 550ml stainless steel bento lunch box is designed to keep food warm for several hours — ideal for carrying a hot meal from home to work or school. Actual heat retention will vary based on the starting temperature of the food and ambient conditions.
Q: Is this thermal lunch box leak-proof?
A: Yes! The thermal lunch box features a secure, tight-sealing lid designed to prevent spills and leaks. It is safe to carry in a bag without worrying about food seeping through, making it a reliable choice for everyday use.
Q: What materials are used in this stainless steel bento lunch box?
A: The inner and outer containers are made from food-grade 304 stainless steel — a durable, rust-resistant, and non-toxic material widely used in kitchenware. The lid components are made from BPA-free plastic. The combination ensures both safety and long-lasting performance.
Q: Can I use this thermal pot as a cooking vessel?
A: This product is primarily designed as an insulated food storage and carrying container (thermal bento lunch box). It is not intended for use directly on a stovetop or in an oven. Fill it with freshly cooked, hot food and the double-wall insulation will do the rest.