PlanetBox
About as plastic-free as a lunchbox gets: the Rover is an all-stainless tray with a stainless lid and stainless latches, with zero plastic in the box itself, which is why it rates plastic-free outright. The only plastic-adjacent material comes from optional Dipper cup silicone lids sold separately, so you choose whether any elastomer enters the picture at all. The brand genuinely designs plastic out rather than tolerating it, and the product data backs the claim. This is intentional, not incidental.
How clear are their specs?
Simple, visible materials — stainless throughout with silicone confined to a named optional accessory — so there's little to disclose and nothing hidden.
Lead testing disclosure
PlanetBox's product pages only claim to be "free from lead, PVC, phthalates or BPA material" plus generic CPSC/CPSIA compliance language, with no named lab, no ppm/detection-limit figures, and no dedicated safety page. Independent XRF testing (Lead Safe Mama) has found PlanetBox lunchboxes lead-free, and separately found a leaded solder dot on a PlanetBox water bottle (not the lunchbox line) that the company reportedly removed after being contacted - but PlanetBox does not publish or link to any of this testing itself.
- manufacturer https://www.planetbox.com/products/rover-recycled-stainless-steel-lunch-box-set bare "free from lead" marketing claim with no lab name or numbers