✅ 100% Leakproof – Tested & Proven

Your future stainless steel lunch box – Blockhütte’s Big Treasure Chest – stays completely leakproof in any situation: at the office, university, school, or on outdoor adventures. Thanks to our improved and thoroughly tested sealing ring, spills are a thing of the past. We even include a free replacement seal – just in case.

🥗 Customisable Bento Lunch Box with Compartments

Included are two adjustable dividers, letting you create compartments tailored to your needs. Whether you're packing a sandwich, salad or snacks – this bento lunch box keeps it separated, secure and fresh.

🌱 Eco-Friendly & Reusable – Say Goodbye to Plastic Waste

This sustainable lunch box is built to last. Made of food-grade stainless steel, it's a safe and plastic-free alternative to disposable containers, cling film or paper bags. Choose the zero-waste lunch container that aligns with your lifestyle.

🧼 Easy to Clean & Dishwasher Safe

Crafted from premium 304 stainless steel (18/8), your lunch box is not only hygienic but dishwasher-safe. The removable gasket ensures effortless and thorough cleaning – even after curry or pasta.

🎁 Bonus Included: E-Book & Cotton Carry Pouch

Each order comes with: free sealing ring, cotton pouch, recipe e-book with delicious lunch ideas

🔒 Is this stainless steel lunch box really leakproof?

Yes – absolutely. Thanks to the upgraded, extra-strong sealing ring and secure locking mechanism, our leakproof stainless steel lunch box keeps even saucy meals tightly sealed. No spills. No mess.

🧽 Can I put the lunch box in the dishwasher?

Definitely. The 304 stainless steel (18/8) is completely dishwasher safe. You can also remove the silicone seal for a more hygienic clean.

🧑‍🍳 Is this bento lunch box suitable for adults?

Yes! Designed for adults, commuters and office use, our adult lunch box with compartments is ideal for meal prep, salads, snacks and leftovers. Two adjustable dividers help you keep things neat.

🧒 Is it also suitable for kids or school lunches?

Absolutely. With its rounded safety edges and leakproof design, this metal lunch box for school is child-safe and durable – no plastic, no nasties.

🛍️ Does the lunch box come with a carry pouch or extras?

Yes – each box includes a cotton storage pouch, a free spare seal, and a recipe e-book with tasty lunch inspiration. All included at no extra cost.

♻️ Is the lunch box eco-friendly and plastic-free?

Yes. Our sustainable lunch container is plastic-free, reusable, and helps reduce single-use waste. The packaging is also 100% recyclable.

✍️ Can I personalise the stainless steel lunch box?

Yes! We offer engraved stainless steel lunch boxes – perfect as a gift for birthdays, back-to-school or office use. Add your name or a personal message.

📦 How fast is delivery in the UK?

We dispatch from our warehouse in Hamburg with Parcelforce Tracked. Order by 11am UK time and your parcel leaves the same working day; after that it goes the next working day. From dispatch it takes 3 working days to England and Wales and 3 to 6 working days to Scotland and Northern Ireland. These are guideline times from our carrier agreement, not guarantees: remote postcodes and the islands can add a day or two.

🧪 Is the metal food container food-safe?

Of course. Our food-grade stainless steel is tested annually by DEKRA and is 100% BPA- and BPS-free, flavour-neutral and non-toxic.

🔁 What if I’m not satisfied with my purchase?

No worries – we offer a 60-day money-back guarantee. Try it risk-free. If you're not happy, return it – no questions asked.

We deliver to the United Kingdom and Ireland — tracked, from our warehouse in Hamburg.

🇬🇧 United Kingdom

• Shipping: £4.49 — free on orders over £49
• Delivery: 3 working days to England and Wales, 3 to 6 to Scotland and Northern Ireland. Remote postcodes and the islands can add a day or two.
• Carrier: Parcelforce Tracked

🇮🇪 Ireland

• Shipping: €4.99 — free on orders over €59
• Delivery: 4 working days

Order by 11am UK time on a working day and your parcel leaves the same day — engraved or not. After that, the next working day. There are no deliveries on Sundays or bank holidays.

In a hurry? DHL Express Tracked is available at checkout.

The price displayed includes VAT. No customs fees or duties on delivery — whatever your order value, we have already handled them.