Black+Blum Stainless Steel Lunch Box Large (1L)
Food storage, 1 litre.
Recommended on 2 of 4: bisphenols, plastic touching food.
What the sources say
Based on public information from the brand and others, checked 16/10/2026.
PTFE and other PFAS
Nothing found yet
Lead and cadmium
Nothing found yet
Bisphenols
Not relevant
Brand claimBrand claim. The brand states it in writing, with no conditions. We quote the exact words.Recommended on this hazard
Plastic touching food
Free from
Brand claimBrand claim. The brand states it in writing, with no conditions. We quote the exact words.Recommended on this hazard
Parts that touch food
Fig. 1: Black+Blum Stainless Steel Lunch Box Large (1L)
A drawing of this kind of food storage container, not of the exact model. The numbers match the table.
| No. | Part | Material | Coating | What the source says |
|---|---|---|---|---|
| 1 | Box, lid, fork and divider | Stainless steel (304/18-8) | None stated | Stainless steel (304/18-8), including a silicone strap, a stainless steel fork and slider-divider to separate foods. |
| 2 | Lid seal | Silicone (over-moulded) | None | The over-moulded silicone lid design ensures the product is easy to clean and 100% leak proof. |
| 3 | Strap | Silicone | None | including a silicone strap |
| 4 | Valve | Not stated | Type not stated | No quote |
What the brand says about the lid in the microwave
NO, this product is made of steel and CANNOT be used in the microwave
Source: Black+Blum product page (opens in a new tab)
What we do not know yet
- PTFE and other PFAS: We have not found a statement from Black+Blum on this yet.
- Lead and cadmium: We have not found a statement from Black+Blum on this yet.
- Valve: material and coating not stated.
Where to buy in the UK
- See price on Amazon for Black+Blum Stainless Steel Lunch Box Large (1L) (affiliate link, opens in a new tab)
- See price at Black+Blum for Black+Blum Stainless Steel Lunch Box Large (1L) (opens in a new tab)
Utenzeal is reader supported. If you buy through a link on this site, we may earn a commission, at no extra cost to you. It never changes what we record. How we make money
We list each product as the brand describes it. Brands can change their products and pages, so please check the details on the brand’s own site before you buy.