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Mandy, Sarah, Maria, and 58,500+ others love Rosemary.

Steambox – Self-Heating Stainless Steel Electric Lunch Box Set + 50% OFF

Regular price £39.95
Regular price £45.00 Sale price £39.95
Save£5.05 Sold out

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Hot Meals Wherever Your Day Takes You

Picture opening your bag at midday to a meal that is still steaming hot, not lukewarm from a rushed morning pack.

Most of us settle for cold sandwiches or pricey takeaway because a normal lunch box cannot heat itself, so Steambox uses a built-in electric heating element to warm your food right where it sits.

Open electric lunch box showing hot food in divided steel compartments, plugged in on a kitchen counter

All that matters is one thing: real hot food, ready when you are, with zero microwave queue and zero fuss.

Just plug it into a wall socket or your car, and the steel liner brings your meal up to temperature on its own, so lunch feels like a hot meal again, not a sad backup plan.

Steambox – Self-Heating Stainless Steel Electric Lunch Box Set + 50% OFF features

Why 10,000+ Customers Love Steambox

✔ Say Goodbye to Cold Desk Lunches - The built-in electric heating element warms your meal at a steady temperature, so soups, pasta and rice come out hot, not lukewarm.

✔ One Box, No Extra Cutlery Bag - A fork and spoon click into the lid, plus a thickened carry bag with a comfy handle, so you grab one bag and go.

Close-up of a hand clipping the dual side latch that locks the lid and seals in heat

✔ No More Spills In Your Work Bag - A leak-proof lid and tough side buckles clamp the seal shut, so soup and sauce stay inside even when the bag gets knocked around.

✔ Fresh, Hygienic Food Every Time - The 304 stainless steel inner liner resists acid, salt and bacteria, so food tastes clean and the box wipes out in seconds.

Steambox – Self-Heating Stainless Steel Electric Lunch Box Set + 50% OFF features

FAQ

Q: Can I really plug it in at my desk and in the car?
A:
Yes. The set includes a household power cord and a car power cable, so you can heat food at home, work or on the road.

Q: Will it leak in my bag if I pack soup?
A:
No. The lid has a leak-proof seal and dual side buckles that lock it shut, so soup and sauce stay inside during travel.

Specifications

  • Material: Stainless Steel + Plastic
  • Capacity: 1.8L
  • Size: 235 x 108 x 108mm

Close-up of the food-grade 304 stainless steel interior liner

Press "ADD TO CART" now at 50% off for our Steambox! This offer is available for a limited time only!


Free shipping on all orders - All orders are shipped free of charge.

24/7 customer service - Our customer support team is available daily to answer all your questions.

30-day money-back guarantee - If your experience is not positive for any reason, we will do everything we can to ensure you are 100% satisfied with your purchase.

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They loved their products—and we think you will too. See what some of our 58,500+ customers had to say.

Rosemary's customer service is fantastic! I had a question about sizing, and they responded so quickly and kindly. My order arrived on time, and everything fit perfectly. Such a great shopping experience!

Emily H. 1 day ago

Ordering from Rosemary was so easy! The website is user-friendly, the checkout was smooth, and my order arrived quickly. The quality exceeded my expectations—definitely shopping here again.

Mandy K. 6 hours ago

The variety at Rosemary is amazing — so many unique and stylish pieces to choose from. I found exactly what I was looking for, and it arrived quickly and in perfect condition. Already eyeing my next purchase!

Emma W. 1 day ago

What impressed me most about Rosemary was the quality of the materials — everything feels so well-made and durable. You can really tell they care about what they sell. The whole process was easy and pleasant!

Linda W. 1 day ago

Shopping at Rosemary was a breeze! The website made everything straightforward, the payment process was quick, and shipping was fast. The quality is amazing—I’m so happy with my purchase!

Amanda S. 3 days ago

I loved ordering from Rosemary! The whole process—from browsing to checkout—was seamless and stress-free. My order came quickly, and the quality blew me away. Highly recommend shopping here!

Madison O. 7 days ago

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