Our ring abides by the standards set through the American Society for Testing Materials ASTM D6868. PFAS or Polyfluoroalkyl Substances can not be found in products above the approved 100ppm.
Our ring was detected to exhibit a small trace well below the standard amount of 100ppm that is approved by the Biodegradable Products Institute (BPI) new standards issued by 2020. This amount is stated as nontoxic and safe for compostability.