💧
Water

bottles

01Gold Standard
12/12
Quality Score
Hydro Flask

Wide Mouth Bottle

$30-50
stainlessinsulatedlead-free

Only major brand consistently testing 100% lead-free. First to eliminate lead solder in 2014. 18/8 medical-grade stainless steel.

Score BreakdownStrong Evidence
Purity
Evidence
Transparency
Value
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Quality & Materials

18/8 food-grade stainless steel. Third-party tested for FDA and Prop 65 compliance.

Evidence & Testing

Independent Lead Safe Mama testing verified lead-free construction.

Brand Transparency

Published material specs. No coatings on interior.

Value Assessment

$30-50. Keeps cold 24h, hot 12h. Lifetime of use.

Why Not Alternatives?

Stanley had lead scandal 2024—lead solder exposed when bottom cap damaged. Yeti and generics often use lead in bottom soldering. Glass is safe but breaks.

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