Classic Stainless Steel Water Bottle (27 oz)

Name: Classic Stainless Steel Water Bottle (27 oz)
Brand: Klean Kanteen

PFR Grade

Excellent — minimal plastic, transparent materials, safe for daily use

18/8 stainless steel. No BPA, no BPS, no phthalates, no PFAS. Klean Kanteen is one of the most trusted stainless steel drinkware brands. Certified B Corporation.

PFR Approved

27 oz stainless steel water bottle. 18/8 stainless steel. No BPA, no BPS, no phthalates, no PFAS. Certified B Corporation.

Score Breakdown

How scores are calculated

Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.

Packaging (20%): Is the product packaged in plastic? Is it recyclable?

Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?

Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.

Materials

Packaging

Transparency

Durability

$30See Safer Alternatives in Water

This is a rating of this specific product only — not the company. Other products from this brand may score differently.

Last updated: April 6, 2026

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Low Exposure Risk — Why This Product Category Matters

Tap water in the US contains PFAS, chlorine, chloramine, lead, and microplastics. A quality water filter is the most impactful single purchase for reducing chemical exposure.

Synthetic Plastic Content

synthetic plastic by weight

Why We Rated It This Way

Klean Kanteen's classic stainless steel bottle is completely inert — no chemical leaching, no microplastics. Certified B Corporation. One of the most trusted stainless steel water bottle brands.