Ultra Thin Organic Cotton Liners. Benefits: Slim liners designed for light flow days or daily backup protection. Made with 100% organic cotton topsheet and core. Hourglass shape for a comfortable, stay-put fit. Soft, flexible edges help prevent chafing. Reliable adhesive keeps liner securely in place. Gynecologist-approved. Hypoallergenic. Key Ingredients: Organic Cotton Topsheet and Core provide soft, breathable absorbency without synthetic fibers. Plant-Based Bioplastic Backsheet helps keep moisture contained while remaining lightweight. Non-Toxic Adhesives keep the liner securely in place throughout wear. Cotton Fibers deliver gentle, natural protection for sensitive skin. Formulated Without: Synthetic fibers. Chemical additives. Fragrances. Dyes. Elemental chlorine.