Prepara averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Prepara products graded as of October 2026, and all 4 reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/prepara.
Prepara grades Excellent 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.
Worth buying from Prepara Good or better, best-graded first
Prepara
Latchlok Click Stainless Steel Food Storage Container Set
80ExcellentPFAS grade
✓stainless steel with silicone gasket seals
⚠We found no PFAS statement from the brand
⚠Silicone gasket degradation over time, Silicone seals are durable but not permanent; repeated thermal stress…
Prepara averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Prepara products graded as of October 2026, and all 4 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is Prepara non-toxic?
Prepara Latchlok Click Stainless Steel Food Storage Container Set is the highest-graded Prepara product we have scored, at 80/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which Prepara products are lower concern for PFAS?
The highest-graded Prepara products we have scored are Prepara Latchlok Click Stainless Steel Food Storage Container Set, Prepara Latchlok Click Stainless Steel Container, Prepara Latchlok Click Food Storage Container. That is our model-based estimate from materials and public disclosure, not a lab test.
