Three Posts Review, Is Three Posts Non-Toxic?
Three Posts averages 30 out of 100 on PFAS Authority's PFAS and toxin screen across the single Three Posts product graded as of October 2026, which does not reach its 70 point pass mark.
Three Posts 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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- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
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Which Three Posts products contain PFAS? Poor and Bad, we’d swap these
- polyester or polyester blend with water-repellent coating (water-repellent coating) treatment
- We found no PFAS statement from the brand
- PFAS. Polyester outdoor cushions routinely use PFAS-based water-repellent coating treatments. Outdoor Voices…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonThree Posts and PFAS, common questions
- Does Three Posts have PFAS?
- Three Posts averages 30 out of 100 on PFAS Authority's PFAS and toxin screen across the single Three Posts product graded as of October 2026, which does not reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Three Posts non-toxic?
- No Three Posts product we graded reaches Good. The best of them is Three Posts Indoor/Outdoor Seat/Back Cushion at 30/100.
- Which Three Posts products should I avoid?
- The lowest-graded Three Posts products we have scored are Three Posts Indoor/Outdoor Seat/Back Cushion. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →