Stainless steel lunch box, 27 oz, closed, in front of a cardboard box reading Free replacement seal included
Infographic: open 27 oz lunch box with raspberries, blueberries and grapes; 2 dividers included, 0.66 lb, dishwasher safe
Cutaway diagram of the 27 oz lunch box half filled with water: 6.69 in long, 2.36 in tall, removable seal, leak proof
Size chart, three closed lunch boxes beside a phone: 47 oz 8.26 in, 0.93 lb; 40 oz 7.48 in, 0.90 lb; 27 oz 6.69 in, 0.66 lb
Close-up of the steel clasp on a closed lunch box with a diagram of the latch swinging open; dishwasher safe, BPA free
Deli clerk in a black apron handing a closed stainless steel lunch box to a customer across the counter; cotton bag inset
Woman in a fleece jacket at a wooden picnic table in the woods drinking from a steel bottle, closed lunch box and book nearby
Stainless steel lunch box, closed, 40 oz, standing in front of its cardboard box and a cotton drawstring bag Stainless steel lunch box, 27 oz, closed, in front of a cardboard box reading Free replacement seal included Stainless steel lunch box, 47 oz, closed, leaning against a cotton drawstring bag with Blockhutte logo Infographic: open 40 oz lunch box with rice and vegetables held on a lap; 2 dividers included, 0.90 lb, dishwasher safe Infographic: open 47 oz lunch box with penne pasta and salad held at a pier; 2 dividers included, 0.93 lb, dishwasher safe Infographic: open 27 oz lunch box with raspberries, blueberries and grapes; 2 dividers included, 0.66 lb, dishwasher safe Cutaway diagram of the 47 oz lunch box half filled with water: 8.26 in long, 2.36 in tall, removable seal, leak proof Cutaway diagram of the 40 oz lunch box half filled with water: 7.48 in long, 2.36 in tall, replacement seal, leak proof Cutaway diagram of the 27 oz lunch box half filled with water: 6.69 in long, 2.36 in tall, removable seal, leak proof Size chart, three closed lunch boxes beside a phone: 47 oz 8.26 in, 0.93 lb; 40 oz 7.48 in, 0.90 lb; 27 oz 6.69 in, 0.66 lb Three open lunch boxes from above: 47 oz with pasta and salad, 40 oz with rice and vegetables, 27 oz with berries and grapes Close-up of the steel clasp on a closed lunch box with a diagram of the latch swinging open; dishwasher safe, BPA free Deli clerk in a black apron handing a closed stainless steel lunch box to a customer across the counter; cotton bag inset Woman in a fleece jacket at a wooden picnic table in the woods drinking from a steel bottle, closed lunch box and book nearby
  • Material: 18/8 (304) food-grade stainless steel, uncoated inside.
  • Capacity: 27 oz | 40 oz | 47 oz
  • Dimensions: 27 oz 6.69 × 4.72 × 2.36 in | 40 oz 7.48 × 5.51 × 2.36 in | 47 oz 8.26 × 6.26 × 2.36 in
  • Product weight: 27 oz 0.66 lb | 40 oz 0.90 lb | 47 oz 0.93 lb
  • Insulation: Not insulated.
  • Dishwasher: Yes, box, lid and seal. Take the seal out once a week so it dries fully.
  • Contents: 1 lunch box with seal, 2 removable stainless steel dividers, 1 spare seal, 1 cotton transport bag.
  • Lead testing: Independently tested for lead under the US CPSIA, retested every year. The current report is free to download on our certificates page.
  • Warranty: 3-year limited warranty. 60-day returns on unused items in original packaging.
  • Best for: Meal prep, office lunch, school snacks, camping.

The stainless steel lunch box for adults that survives a real commute. Two removable dividers turn it into a metal bento box with up to three compartments. The silicone-sealed lid keeps the dressing where it belongs.

Leak-proof for everyday food. The silicone seal closes with a snap and holds sauce, dressing and yogurt. Thick food travels fine on its side. Clear soup travels upright.

Uncoated 18/8 stainless steel inside. Your food touches nothing but steel: shatterproof, odor-resistant and BPA-free.

Two removable dividers make up to three compartments. Greens stay away from proteins, and nothing transfers its flavor.

Box, lid, seal and dividers all go in the dishwasher. The non-porous surface does not stain or hold onto yesterday’s smells. Take the seal out once a week so it dries fully.

Three sizes: 27 oz, 40 oz and 47 oz. The kit includes two dividers, a replacement seal, a 100% cotton transport bag and a digital recipe book.

Independently tested for lead under the US CPSIA, and retested every year. The current report is free to download on our certificates page.

Every wearing part is sold separately. When a seal wears out, you buy a seal, not a new box.

Three-year warranty. Sixty days to send it back, unused and in its original packaging.

Is the lunch box leak-proof?
Yes, for everyday food. The reinforced Blockhütte seal holds sauces, dressings and yogurt. The box travels sideways in a bag without spills. Thick stews travel fine. Clear soup travels upright.

Is it tested for lead?
Independently tested for lead under the US CPSIA, and we retest every year. The current report is on our certificates page. Free to download, no form.

Is this lunch box non-toxic?
BPA-free and toxin-free where it is tested: your food touches nothing but uncoated 18/8 steel. No liner, no coating, no plastic parts. The lab reports are on our certificates page. We retest every year.

Is a stainless steel lunch box safe for kids?
Yes. Independently tested for lead under the US CPSIA. The report is free to download on our certificates page. The edges are rounded, the steel is uncoated inside, and the box has no plastic parts. Easy to latch for small hands. The 27 oz is the school size, the 40 oz suits a bigger appetite. And with a name engraved on the lid, twenty bags on the same hook stop looking alike.

What material is the lunch box made of?
Food-grade 18/8 stainless steel, uncoated inside, BPA-free and plastic-free. Your food touches nothing but steel. Built to last for years.

Is this lunch box insulated?
No, it is not insulated. Lunch stays at the temperature you packed it. For food that has to be hot at noon, that is the job of the insulated food jar.

Is it dishwasher safe?
Yes: box, lid and seal. We do recommend taking the seal out once a week so it dries fully.

Can I use it in the oven or freezer?
Yes. Prep meals and freeze them, or reheat in the oven with the lid and seal removed. Never put stainless steel in the microwave.

Does the steel leave a metallic aftertaste?
No. We use non-reactive 18/8 stainless steel, unlined. Your food tastes exactly like you prepared it.

What size is the lunch box?
Three sizes: 27 oz, 40 oz and 47 oz. The 40 oz is the standard adult meal. The 27 oz is a school lunch, the 47 oz is meal prep with sides. The size is stamped on the base.

What are the exact dimensions?
27 oz 6.69 × 4.72 × 2.36 in, 0.66 lb. 40 oz 7.48 × 5.51 × 2.36 in, 0.90 lb. 47 oz 8.26 × 6.26 × 2.36 in, 0.93 lb.

Does it come with dividers?
Yes, two removable stainless steel dividers, great for separating snacks, fruits, and main meals without mixing flavors.

Can I personalize the lunch box?
Yes. Express Engraving: order by 1:00 PM PT and we engrave it the same day, in our own facility in California. The engraving is included in the price. Engraved products cannot be returned, so check your spelling before you order.

How do I care for the seal?
Take it out once a week for a proper wash. A spare seal is already in the box. When one wears out, you buy a seal. Not a new box.

What warranty does the lunch box come with?
Three years, on material and workmanship, from the date of purchase. Before that, 60 days to send it back if it is not for you. And after year three the warranty is not the point: every wearing part is sold separately, so a tired seal costs a seal. The full terms are on our warranty page.

Where is the lunch box made?
Developed and designed in Hamburg, Germany. The engraving happens in our own facility in California. Manufacturing happens in China, to our own designs and specifications. Trusted by thousands across the U.S.

We want to get your Blockhütte gear to you as fast as possible. Most orders are processed within 1 business day. We route every order through USPS, FedEx, or UPS — whichever delivers fastest at the best rate.

Shipping Rates (Contiguous U.S.)
* Ground ($50+): FREE (2–5 Business Days)
* Ground (Under $50): $10 (2–5 Business Days)
* Expedited: $20 per 26 lbs (1–3 Business Days)
* Overnight: $65 per 26 lbs (1 Business Day)

Tip: Place Expedited or Overnight orders by 12:00 PM CT for the fastest processing.

Alaska, Hawaii & U.S. Territories
(American Samoa, Guam, Marshall Islands, Micronesia, Northern Mariana Islands, Palau, Puerto Rico, U.S. Virgin Islands)
* Ground: $20 flat (10–14 Business Days)
* Expedited: $40 flat (3–5 Business Days)
* Overnight: Not available

Important Notes
* Free Shipping: Contiguous U.S. only.
* Express Engraving: order by 1:00 PM PT and we engrave the same day.
* PO Boxes: Shipped via USPS at Ground rates.
* Heavy Orders: Items 1,000+ lbs may ship via LTL freight.
* Tracking: You'll receive a tracking number via email once your order ships.

International Orders? Check our International FAQ for details.

Impressions from the Blockhuette community

Stainless Steel Lunch Box

Two dividers, three compartments. The spare seal is already in the box.

$33.97

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Frequently bought together

Two men in white Blockhütte T-shirts laughing in front of a painted green leaf mural

Through our extensive travels in the past, it became even more important to us, for environmental and cost reasons, to always have something to eat and drink on hand. We opted for stainless steel lunch boxes and water bottles. However, these products were of inferior quality: either they were made of cheap stainless steel, were not food-safe, or they leaked. This set our goal: to bring the best lunch box to the market in terms of sustainability, quality, and value for money.

Nils & Malte

Founders of Blockhuette

Leak-proof for everyday food

You surely know how annoying it is to constantly clean your bag because the old lunch box has leaked again? We do too. That is why we widened the seal and reinforced it. Sauces, dressings and yogurt stay in the box, even when it travels sideways in a bag. Thick stews travel fine. Clear soup travels upright.

Man leaning on a chain-fence post by the water, holding a closed stainless steel lunch box in one hand

Extraordinarily Safe

Every lunch box is equipped with our unique & fully rolled safety edges. This ensures that you and your loved ones will not suffer any injuries. (ATTENTION! These edges are exclusive to Blockhuette.)

Person with a backpack sitting on a park bench, opening a stainless steel lunch box on their knees
Hands pressing a barcode shipping label onto a brown cardboard box on a wooden desk

Fast Shipping

Your order ships from within the US. Ground delivery takes 2 to 5 business days in the contiguous US.

Most orders are processed within one business day. Alaska, Hawaii and the US territories take 10 to 14 business days.

Every package goes out with USPS, FedEx or UPS, whichever gets it to you fastest.

Recyclable & Plastic-Free Packaging

Sustainability is a top priority for us! For packaging, we have opted for sustainable and recyclable cardboard. Even with the cardboard, we ensure that as little material as possible is used, to save resources.

Two brown cardboard Blockhütte lunch box packages lying on grass, front box marked 1200 ml
Person sitting by a canal with a stainless steel water bottle, open lunch box with apple, sandwich and cookie

Food-Safe & Taste-Neutral

Your food touches nothing but steel. The inside is uncoated 18/8 stainless steel: no coating, no aftertaste.

The seals are food-grade silicone, BPA-free. Which lab report covers which product is on our certificates page. Free to download, no form.

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Why a stainless steel lunch box outlasts a plastic one

Steel does not stain, does not warp and does not keep the smell of last week's curry.

Your food touches uncoated 18/8 stainless steel and nothing else. No liner, no coating, no plastic.

Tested for lead under the US CPSIA, and we retest every year. The reports are on our certificates page.

How leak-proof is it, really?

Sauce, dressing and yogurt stay in the box, even sideways in a bag.

Thick stews travel fine on their side. Clear soup travels upright, and that is what the insulated food jar is for.

The seal does the work. When it wears out, you buy a seal, not a new box.

Cleaning and everyday care

Dishwasher, every part of it: box, lid, seal and dividers.

Take the seal out once a week so it dries fully. That is the only habit worth having.

The smooth steel surface gives bacteria nothing to hold on to. It does not crack or craze the way plastic does.

Which size for school, which for work

Three sizes. 27 oz for a smaller appetite or a younger child. 40 oz for school and most office days. 47 oz when lunch is the main meal.

Two removable dividers keep wet and dry apart. And with a name engraved on the lid, twenty bags on the same hook stop looking alike.