Certified Cotton Cover Plastic Free, Perfume Free and Chlorine Free USDA Certified Biobased Product - 91% Vegetarian Society Approved Compostable Biodegradable Our cotton is certified according to the Global Textile Standard (GOTS) Why natural pads? Many gynecologists have advised women with sensitive skin to use natracare sanitary pads to reduce their contact with chlorine bleaches, synthetics and superabsorbents made from petrochemicals.