Wide-Mouth
A classic, lightweight, and durable plastic water bottle made with 50% recycled content. Features a wide mouth for easy cleaning.
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 8, 2026
Made entirely of plastic (Tritan Renew), which can still impart flavor when heated and has minor leakage issues. Despite recycled content, it's a plastic product.
Why We Rated It This Way
Nalgene's Wide-Mouth is made from Tritan Renew copolyester (50% recycled plastic). Certifications: ISCC certified.
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.
Various plastic chemicals
Nalgene Wide-Mouth
Potential plastic flavoring when heated, minor leakage.
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.
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