1 of 8 parts have unknown materials. We score only from captured evidence and never guess a material, so unknown parts count against the score and lower our confidence. If a seller confirms these materials, the score changes.
Where to buy
Parts & evidence
| Part | Material | State | Evidence |
|---|---|---|---|
| bottle | Borosilicate glass | non-plastic | “The Borosilicate glass is taste neutral” listing ↗ |
| cap | stainless steel | non-plastic | “The stainless steel cap on the underside of the lid” listing ↗ |
| carry loop | stainless steel | non-plastic | “stainless steel loop that makes it easy to carry” listing ↗ |
| charcoal | · | unknown | “Our binchotan charcoal can be used immediately” listing ↗ |
| charcoal coil | stainless steel | non-plastic | “The stainless steel coil ensures the charcoal does not move or rattle” listing ↗ |
| lid | polypropylene and wood fibre | plastic | “The leak proof lid has a polypropylene and wood fibre top” listing ↗ |
| silicone seal | silicone | silicone | “The silicone seal is easy to remove for thorough cleaning” listing ↗ |
| sleeve | recycled polyester | plastic | “The sleeve is made from recycled polyester” listing ↗ |
Seller links may be affiliate links. Disclosure. We state observed evidence, not verdicts. See the scoring rubric.