Do not put this garment in the dryer - cotton will naturally draw up over time. If you regularly dry your clothing, we suggest sizing up one size to account for potential shrinkage.
PM 2.5 filters block particulate matter of 2.5 micrometers. Can be used for up to 7 days before needing to replace the filter.
*These are fashion masks intended for personal use, not approved for healthcare. Masks are not eligible for returns or exchanges, mask sales are FINAL.