Organic & Natural Certified Organic Cotton Cover Plastic Free Perfume Free Chlorine Free USDA Certified Biobased Product Vegetarian Society Approved Compostable Longer 310 mm - For Extra Protection Biodegradable Why Natural Pads? Many gynecologists have advised women with sensitive skin to use natracare sanitary pads to reduce the contact with chlorine bleaches, synthetics and superabsorbent made from petrochemicals.