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Black + Blum leakproof stainless steel lunchbox with a olive silicone holder available at Babipur. Features a matching stainless steel fork
Black + Blum leakproof stainless steel lunchbox with a olive silicone holder on a grey blanket surrounded by different foods with a bamboo lunchbox lid used to prep food
A top down view of the different Black + Blum leakproof stainless steel lunchboxes with food inside
A close up of the Black + Blum leakproof stainless steel lunchbox with a olive silicone showing the size of the box with food inside
A top down view of the Black + Blum leakproof stainless steel lunchbox with a olive silicone holder on top of red decorative ribbon with a chocolatey desert inside the lunchbox
A close up of the brown cardboard packaging holding the Black + Blum leakproof stainless steel lunchbox.
A close up of the small black + blum leakproof stainless steel lunchbox inside a canvas bag

Black+Blum Leak Proof Stainless Steel Lunch Box - Small

£27.95

Black+Blum Leak Proof Stainless Steel Lunch Box - Small

The first 100% leakproof stainless steel lunchbox with vacuum-sealed closure, by Black+Blum.

The Black+Blum Leak Proof Stainless Steel Lunch Box is a compact 600ml container designed for those who want a lightweight, plastic-free option for everyday meals and snacks. It features a vacuum-sealed silicone lid that locks tightly to prevent leaks, and comes complete with a stainless steel fork and silicone strap for secure transport.

This smaller version has all the performance of the larger size, but in a more compact form that's perfect for lunches, light portions or snacks on the go. Whether you’re packing fruit salad, pasta, sushi or leftovers, this box keeps everything neatly contained and fresh.

Made from high-quality 304 stainless steel, this lunch box includes a food-grade silicone strap and an integrated stainless steel fork that sits securely underneath the strap. The vacuum-sealed lid includes an over-moulded silicone edge that ensures an airtight and leakproof closure. The box is oven-safe (lid not included) and freezer-safe. As with all Black+Blum products, it is completely BPA and plastic free.

Babipur has been a trusted family retailer for eco-conscious living since 2007. We proudly stock Black+Blum’s innovative lunch solutions to help you live more sustainably, one meal at a time.

FAQs

How do I open the Stainless Steel Box?
To release the vacuum seal, lift the valve on the lid. Then pull gently at one of the shorter sides to remove the lid. Be careful when opening if the box contains liquids.

Is this lunch box leak proof?
Yes. When used correctly, this container is 100% leak proof. Make sure the silicone seal and base edges are clean and dry before sealing. Press the lid down firmly, then push the valve down to lock in the vacuum. Use the silicone strap to keep everything secure. Always allow hot food to cool before closing to avoid pressure build-up.

Is it microwave safe?
No. This lunch box is made of stainless steel and must not be used in the microwave.

Is it oven safe?
The stainless steel base can be placed in the oven. However, the lid should never be used in the oven, and exposure to high temperatures may cause discolouration of the steel.

Can I use it in the freezer?
Yes, the lunch box is freezer-safe. Avoid overfilling if freezing liquids, as they may expand.

  • 600ml capacity, perfect for smaller meals and snacks
  • 100% leak proof with vacuum-sealed silicone lid
  • Includes stainless steel fork and silicone strap
  • Compact and lightweight
  • Plastic free
  • Oven-safe base (lid not oven safe)
  • Freezer safe
  • Hand wash lid and strap; base is dishwasher safe
  • Made from 304 stainless steel and food-grade silicone
    Dimensions: 17.5cm x 13cm x 5cm
    Weight: 330g
  • Made from high-quality 304 (18/8) stainless steel: durable, rust-resistant and fully recyclable
  • Designed for long-term use to reduce food waste and reliance on disposables
  • Encourages meal prep and leftover storage to cut waste at home
  • Minimal plastic use, always BPA, BPS and phthalate free, and selected only when necessary
  • Every purchase supports 1% for the Planet
  • Donations help City Harvest rescue surplus food and reduce landfill emissions while feeding those in need
  • 1% for the planet member
    1% for the planet member
  • plastic free
    plastic free

Fast shipping worldwide shipping

No quibble 60 day returns

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Black+Blum Leak Proof Stainless Steel Lunch Box - Small

£27.95

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Black+Blum - Meal Prep Made Easy

Black+Blum creates durable, design-led lunchware and hydration products made to last a lifetime. Using high-quality materials like 304 stainless steel and natural bamboo, their range supports low-waste living through practical, reusable design. From leakproof food containers to charcoal-filtered water bottles, every product is BPA-free and thoughtfully engineered for performance and longevity. Black+Blum also donates 1% of all sales to food waste charities such as City Harvest, helping to rescue surplus food, reduce emissions and support communities in need.
Black+Blum - Meal Prep Made Easy
Behind the Brand

Behind the Brand

Founded in 1998 and relaunched in 2014 by designer Dan Black, Black+Blum has grown into a leading name in sustainable food and drink containers. Every product is designed in-house at their London studio with care, creativity and purpose. With a commitment to reducing single-use plastic and food waste, Black+Blum’s mission is to make everyday routines more considered, enjoyable and eco-conscious. Through their support of 1% for the Planet and focus on responsible material choices, the brand continues to innovate both in the quality of their products as well as sustainability.
About us

Equality Through Fairtrade

Together, we can make trading fairly with farmers and labourers the norm- because it should be! At Babipur we want to tackle unequally divided supply chains, and ensure that the workers making our products are paid fairly and treated with respect. 

Ethical Focus

At Babipur, we thoroughly look into each and every brand stocked in our store so that you don’t have to! Bringing together a range of sustainably sourced and exploitation-free products for all the family, we aim to make our customers feel confident that they are consuming ethically at Babipur.

An Indie Business with Great Service

Hey there! We’re Babipur, a small but mighty indie family business nestled at the foothills of Eryri. Since 2007, our awesome team has been here for you, working passionately from our Porthmadog warehouse and offices. Don’t forget to join our buzzing Facebook group and be part of our amazing community. We love helping you with your questions and orders, no matter how big or small.

Shipping & Service

Fast Worldwide Shipping

Here at Babipur we aim to despatch your orders quickly using Royal Mail, Parcelforce, GLS and other couriers. We pack orders Monday to Saturday, if you need an express delivery option we recommend ordering before 1pm for next working day delivery. Tracking details will be sent to you by email or text.

Returns

If something isn't as expected, doesn't fit, or it's simply not right for you, just return it to us within 60 days of delivery for a no quibble refund. We do ask that items are returned in unused condition if you've simply changed your mind. If you have a faulty or damaged item please get in touch, return it to us for a refund or replacement and we'll cover the return costs.

Customer Service

We are here for you! We believe in offering you the very best customer service possible. You can email, direct message us on socials or even pick up the phone Monday to Friday 9-5. We are a small independent business and we'll do whatever we can to help, always. Any questions, queries, issues or suggestions, just get in touch and we'll be happy to hear from you.