PlanetBox Stainless Steel Bento Lunch Box
PlanetBox
Stainless Steel Bento Lunch Box
Steel with no plastic touching food, built to last a decade; a 1.
Verified plastic-freeCompartmentalized stainless steel bento with a magnetic lid that lasts a decade or more. Trays use certified post-consumer recycled stainless steel.
How this score breaks down
Strengths
- Stainless steel bento replaces plastic lunch containers
- Magnetic lid, no plastic touching food
- Lasts a decade or more
- Trays use certified post-consumer recycled stainless steel
Trade-offs
- Higher upfront cost than plastic boxes
- Heavier than a plastic container
Scored on our durable-goods method (durables-v1, 2026-05-30). How we rank →
What it's made of
A compartmentalised bento lunch box made from stainless steel with a magnetic stainless lid, so no plastic touches food. Trays use certified post-consumer recycled steel.
| Part | Material |
|---|---|
| Box and lid | Stainless steel, partly recycled |
| Closure | Magnets embedded in the steel lid |
Free of BPA, phthalates, plastic food-contact
- Packaging
- Plastic-free; recyclable stainless steel
- Microplastics
- None; steel body
About PlanetBox
PlanetBox makes compartmentalised stainless steel bento lunch boxes built to last a decade or more. Its trays use certified post-consumer recycled stainless steel (49% to 91% depending on the model), and it tests for lead, BPA, and phthalates.
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