The thinnest reusable panty liner in the market! 100% Organic Content Standard(OCS) Certified and Global Organic Textile Standard (GOTS) Certified Cotton. 100% soft organic cotton No Toxic Chemicals, No Bleach, No Frills, just the pure stuff that will keep you comfy and dry! :) Bottom layer: Hypoallergenic PUL fabric Middle layer: Organic Cotton Top layer: Organic Cotton