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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, every day
You surely know how frustrating it is to constantly dry out your backpack because the seal has failed again. We know this all too well, which is why we've made the seal out of solid material and extended the threading for your new thermal food jars. This ensures a clean seal closure and the lid tightens even better.
14 Hours Hot, 19 Hours Cold
Our insulated food jars keep food hot for 14 hours and cold for 19 hours, with no preheating.
Three things hold the heat: rinse the jar hot, fill it to the top, keep it closed until lunch.
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.
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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How an insulated food jar keeps lunch hot
A vacuum between two steel walls, plus a thermal layer on the outer wall of the inner body. Your food only ever touches uncoated 18/8 steel.
14 hours hot and 19 hours cold, with no preheating. Rinse it out hot, fill it right to the top and keep it closed. That is what holds the heat.
An insulated food jar you refill instead of replace
A warm lunch from home means no takeout container to throw away. That is what an insulated food jar is for. You fill it, you wash it, you fill it again.
Your order ships in cardboard, with as little material as we can manage. No plastic film, no plastic filler. And every wearing part is sold separately, so a worn seal does not end the jar.
Why it does not smell after a month
Steel gives bacteria nothing to hold on to. There is no coating to craze and no plastic to absorb what you carried yesterday.
The lid is recycled food-safe plastic and sits above the food. Take the seal out once a week so it dries fully.
Which size, and who it is for
18 oz for a child or a light lunch. 24 oz for a normal working day. 34 oz when the jar is the whole meal.
The anti-vacuum plug keeps the lid easy to open once the food has cooled. That matters for smaller hands.