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Klean Kanteen Classic Stainless Steel Water Bottle
Klean Kanteen

Klean Kanteen Classic Stainless Steel Water Bottle

88 / 100 Low-Tox Score
BPA-free stainless steel no plastic lining PFAS-free
$45.00 approx. — check brand site for current price

2 Brand-claimed certifications — disclosed on the brand's product page

PFAS-Free (Material)
Material property
Brand-wide certification
Brand-disclosed
Checked 2026-05-08T17:00:09.730Z
BPA-Free (Material)
Material property
Brand-wide certification
Brand-disclosed
Checked 2026-05-08T17:00:09.730Z
NSF/ANSI 61
NSF International
Brand-wide certification
Brand-disclosed
Checked 2026-05-08T17:00:09.730Z

3 Database-verified certifications — 1 confirmed in official registries

B-Corp
B Lab
klean-kanteen
Brand-wide certification

Certified by B Lab for meeting high standards of social and environmental performance.

Database verified
Checked 2026-05-08T17:00:09.730Z View registry listing
Shop at Klean Kanteen

External link to the brand's own product page. Listings are based on Lowtoxgear's low-tox scoring criteria — we do not certify products ourselves.

Why we list this: Most "BPA-free" plastic bottles just swap BPA for BPS or BPF — both have similar hormonal activity. Stainless with no lining is the cleanest option.

Key features

  • 18/8 food-grade stainless steel — no plastic, no BPA, no PFAS
  • Single-material construction — no hidden plastic liner inside
  • Certified by IAPMO against NSF/ANSI 61 for drinking water safety
  • No rusting or off-flavours
  • Klean Kanteen publishes full ingredient disclosure