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Klean Kanteen: how much do the labels prove?
GreenSpecs has graded 1 product from Klean Kanteen on the strength of the evidence behind the claims on the pack.
- Products graded
- 1
- Average GreenSpecs score
- 78/100
- Best graded
- Klean Kanteen Insulated Tumbler — A 78/100
- Assessments updated
- 24 March 2026
Source: GreenSpecs label assessments of Klean Kanteen products, 24 March 2026.
Where this number comes from. GreenSpecs scores the evidence a product puts in front of you: the wording of the claim, what the packaging discloses, and whether an independent certifier stands behind any of it. Each score is a GreenSpecs assessment generated by our scoring model from the product label and public claim text on the date shown. It is not a laboratory test, not a lifecycle assessment, and not a safety rating. The full method is published here.
Does Klean Kanteen back up its claims?
Across the 1 Klean Kanteen product graded so far the average score is 78 out of 100. Built to last. The best waste is no waste. That is the pattern the table below fills in, product by product.
| Product | Brand | Grade | Score | What the label proves |
|---|---|---|---|---|
| Klean Kanteen Insulated Tumbler | Klean Kanteen | A | 78/100 | Built to last. The best waste is no waste. |
Where Klean Kanteen products show up
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