Classic Stainless Steel Water Bottle
The original stainless steel water bottle. Klean Kanteen's Classic uses 18/8 food-grade stainless steel throughout, with a stainless loop cap. No plastic ever touches your water. B Corp certified, made with recycled steel.
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Plastic water bottles leach microplastics and endocrine-disrupting chemicals directly into drinking water — one of the highest-exposure routes.
Why We Recommend This Product
Plastic bottles leach BPA, antimony, and microplastics into every sip. A stainless steel bottle with a metal cap eliminates that exposure entirely.
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
Microplastics
Plastic water bottles
Systemic inflammation, endocrine disruption
Antimony
PET plastic bottles
Respiratory and gastrointestinal irritation
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.