MEDLINE Polyurethane Foam Enzymatic Cleaning Sponge, REF DYK1000TSE
Sporadic reports were received of discoloration on the foam sponge on certain lots of the product, which has been identified as microbial contamination.
US and Panama
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1217-2022