Owala · Portable Water Bottles
Owala Kids' FreeSip Water Bottle
Lower concern water bottle; no known PFAS risk signals detected.
Owala Kids' FreeSip uses standard plastic and stainless steel with no known Teflon-family coating coatings or water-repellent coating treatments. No public PFAS claims or third-party testing available.
Shop Owala on Amazon →Material
Plastic (likely BPA-free copolyester), stainless steel interior
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The Owala Kids' FreeSip uses copolyester plastic (likely Tritan or similar BPA-free engineering resin) for the exterior and a food-grade stainless steel interior chamber. This design avoids the hazards of coated or enameled surfaces, no glaze metals, no Teflon-type coating fume risk, no ceramic leaching. Stainless steel does not leach into water under normal use conditions, and the plastic exterior is not in contact with drinking liquid, so BPA/BPS and phthalate exposure pathways are minimized.
The brand's record and disclosure
Owala (owned by Lifecore Biomedical, part of Helen of Troy Ltd.) does not publicly advertise third-party safety certifications or independent chemical testing for this product. The brand has not issued statements regarding PFAS or other hazardous additives in their water bottle line. No recalls or safety controversies specific to the Kids' FreeSip have been reported in public records. The absence of transparency is typical for this market segment but leaves parent questions about manufacturing inputs unanswered.
How it compares in its category
Most mainstream kids' water bottles (Hydro Flask, S'well, CamelBak) use similar stainless steel interiors with plastic or coated exteriors. The FreeSip's design avoids metal-bearing glazes and Teflon-type coating non-stick coatings found in some low-end cookware-style bottles. It sits in the mid-range safety tier for reusable kids' bottles. Direct-to-stainless alternatives (brands like Klean Kanteen) offer equivalent safety with more transparent supply-chain disclosure.
If you buy it
Wash the bottle and lid thoroughly before first use to remove manufacturing residues. Do not expose it to sustained heat above 140F (60C) as some plastic lids may soften. Replace the silicone gasket or valve seals if they show wear, discoloration, or odor, these are frequent sites of bacterial biofilm if not maintained. Daily rinsing and weekly dishwasher cycles (top rack) will prevent mold in hard-to-reach crevices of the drinking mechanism.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Bacterial biofilm in valve mechanism
The FreeSip's patented flip-open valve and straw design creates small chambers where water can pool if not fully emptied or dried. Kids may not maintain the bottle rigorously; standing liquid in valve seats can support mold or bacterial growth over weeks.
Silicone gasket degradation
Seals and silicone components can soften, swell, or harbor microbes if exposed to dishwasher heat repeatedly or if not replaced periodically. Degraded gaskets may no longer prevent leakage and can become a mold reservoir.
Plastic exterior leaching (BPA/phthalates)
Copolyester formulations used in modern water bottles are designed to be BPA-free and do not typically contain phthalates. The exterior plastic does not contact the drinking water directly, so migration risk is minimal under normal use.
Stainless steel interior corrosion or nickel leaching
Food-grade stainless steel (typically 18/8 or 304 grade) is passive in pure water and does not leach detectable nickel or chromium under normal drinking conditions. No published data suggests the FreeSip interior differs from industry standard.
Volatile organic compounds from plastic off-gassing
Copolyester resins have low off-gas emissions at room temperature. Rinsing before first use and proper ventilation during storage eliminate residual manufacturing odors. No documented VOC hazard associated with this product line.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Portable Water Bottles
Klean Kanteen
27oz Wide Water Bottle with Loop Cap
18/8 stainless steel, no interior coating
Lower concern. Bare stainless steel water bottle, no coatings.
✓Bare metal or glass, no coating at all
Klean Kanteen
Rise Classic Insulated Water Bottle
stainless steel body, foam insulation, stainless steel cap
Lower concern. Bare stainless steel construction without known PFAS coatings.
✓Bare metal or glass, no coating at all
Klean Kanteen
Hydration Kit
Stainless steel bottle, activated carbon filter
Lower PFAS concern. Bare stainless steel and carbon filters are inherently PFAS-free.
✓Naturally PFAS-free material
More portable water bottles grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.