SealLine Review, Is SealLine Non-Toxic?
SealLine averages 38 out of 100 on PFAS Authority's PFAS and toxin screen across the 9 SealLine products graded as of November 2026, and none of them reach its 70 point pass mark.
SealLine grades Poor on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
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- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
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- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Does SealLine have PFAS, by category
Which SealLine products contain PFAS? Poor and Bad, we’d swap these
- Nylon/polyester fabric with waterproof coating
- We found no PFAS statement from the brand
- Waterproof coating volatiles (thermal stress). If the coating contains Teflon-type coating or Teflon-family…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nylon fabric with waterproof/water-repellent coating (water-repellent coating) coating
- We found no PFAS statement from the brand
- water-repellent coating degradation and leaching. If the coating chips or wears, microparticles of the…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Coated nylon or polyester, waterproof treatment unspecified
- We found no PFAS statement from the brand
- Coating degradation and material leaching. Over time, nylon-polyester coatings can crack or peel with UV…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Urethane-coated nylon fabric with waterproof treatment
- We found no PFAS statement from the brand
- Coating leaching and chemical migration. Urethane coatings can release plasticizers, softeners, or unreacted…
5 hazards checked on this product, all on its full breakdown.
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- Ripstop nylon with waterproof coating
- We found no PFAS statement from the brand
- Waterproof coating composition (unspecified chemistry). SealLine does not disclose whether the ripstop nylon…
3 hazards checked on this product, all on its full breakdown.
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- Waterproof coated nylon or polyester duffel
- We found no PFAS statement from the brand
- Coating degradation over time. Waterproof nylon/polyester duffels degrade with age, UV exposure, and flexing…
2 hazards checked on this product, all on its full breakdown.
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- Nylon fabric with water-repellent coating waterproof coating
- We found no PFAS statement from the brand
- PFAS. Nylon daypacks routinely use fluorinated water-repellent coating; SealLine's silence on chemistry…
3 hazards checked on this product, all on its full breakdown.
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- Nylon pack with water-repellent coating waterproof coating, unspecified
- We found no PFAS statement from the brand
- PFAS. SealLine does not disclose whether the Skylake uses legacy PFAS-based or modern fluorocarbon-free…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nylon or polyester with waterproof coating, composition unspecified
- We found no PFAS statement from the brand
- Waterproof coating degradation and leaching. Unidentified waterproof coatings on nylon/polyester degrade over…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonWhat to buy instead Good or better, in the categories SealLine sells
- Cordura nylon fabric
- We found no PFAS statement from the brand
- Heavy metals
- Polyester webbing and nylon
- Azo dyes in polyester webbing
4 hazards checked on this product, all on its full breakdown.
- Polypropylene shell, polyurethane foam, stainless steel hardware
- Polyurethane foam degradation and off-gassing
SealLine and PFAS, common questions
- Does SealLine have PFAS?
- SealLine averages 38 out of 100 on PFAS Authority's PFAS and toxin screen across the 9 SealLine products graded as of November 2026, and none of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is SealLine non-toxic?
- No SealLine product we graded reaches Good. The best of them is SealLine Wide Mouth Duffel Bag at 40/100.
- Which SealLine products should I avoid?
- The lowest-graded SealLine products we have scored are SealLine Pro Dry Pack, SealLine Skylake Dry Daypack, SealLine Bigfork Dry Daypack. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →