01Gold Standard
Stainless Steel Infant Bottle
$15-18
stainless-steelgrows-with-babyplastic-free
100% plastic-free feeding system. 18/8 medical-grade stainless steel. Converts from bottle to sippy to straw cup—one bottle from infancy through toddlerhood.
Quality Score12/12
Purity
Evidence
Transparency
Value
Strong Evidence
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Ingredients & Purity
18/8 food-grade stainless steel body. Medical-grade silicone nipples/seals. Zero plastic in milk pathway.
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Scientific Evidence
Stainless steel is inert and doesn't leach. Same grade used in medical implants.
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Brand Transparency
Certified plastic-free by Plastic Pollution Coalition. Third-party tested.
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Value Assessment
$15-18/bottle. Grows with child (swap nipple → sippy → straw). Best long-term value.
Why Not Alternatives?
Glass breaks. Plastic leaches. This is the most durable non-plastic option. Silicone nipples are medical-grade and replaceable.