Wide Mouth Water Bottle 32 oz
32 oz wide mouth water bottle made from Tritan plastic. BPA-free, BPS-free. Nalgene is the most popular outdoor water bottle brand.
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.
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
Food packaging is one of the most direct routes of plastic chemical exposure. BPA, BPS, phthalates, and PFAS migrate from packaging into food — especially with heat, acidity, or fat content. Canned foods lined with BPA epoxy, plastic-wrapped meats, and microwave-safe plastic containers are among the highest-exposure sources.
Why We Rated It This Way
Nalgene's Tritan plastic is BPA-free and BPS-free, which is a meaningful improvement. However, independent testing has found that Tritan leaches estrogenic chemicals. For daily use, stainless steel or glass water bottles are safer alternatives.
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