65Good

Matter Review, Is Matter Non-Toxic?

The verdict
Matter averages 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 3 Matter products graded as of October 2026, and 2 of them reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/matter.

Matter grades Good 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.

You may also be interested in

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.

  • 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 Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • 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.

Which Matter products are PFAS-free? Good or better, best-graded first

Matter Compostable Food Storage Container 5ct

Matter

Compostable Food Storage Container 5ct

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Plant-based fiber pulp (compostable)
  • A third party reports verifying it as PFAS-free
  • Microbe/mold growth if stored damp. Plant-based fiber is hygroscopic and provides a natural medium for…

2 hazards checked on this product, all on its full breakdown.

Matter

Compostable Sandwich Bags 50ct

70GoodPFAS grade
  • plant-based compostable polymer (likely PLA or PBAT)
  • We found no PFAS statement from the brand
  • Microplastic shedding and degradation products. If bags are damaged, stored in high heat, or sent to landfill…

3 hazards checked on this product, all on its full breakdown.

Which Matter products contain PFAS? Poor and Bad, we’d swap these

  • compostable fiber with unspecified waterproof coating
  • We found no PFAS statement from the brand
  • PFAS. Coating identity is undisclosed. Most compostable fiber coatings in this price and performance tier are…

3 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

Matter and PFAS, common questions

Does Matter have PFAS?
Matter averages 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 3 Matter products graded as of October 2026, and 2 of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is Matter non-toxic?
Matter Compostable Food Storage Container 5ct is the highest-graded Matter product we have scored, at 100/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which Matter products are lower concern for PFAS?
The highest-graded Matter products we have scored are Matter Compostable Food Storage Container 5ct, Compostable Sandwich Bags 50ct. That is our model-based estimate from materials and public disclosure, not a lab test.
Which Matter products should I avoid?
The lowest-graded Matter products we have scored are Matter Compostable Fiber Disposable Bowls. Each one links to the evidence behind its grade.

Every grade uses the same public rubric. How grades work →