BEST Pantyliner: Great for backups and everyday use! Certified Organic Cotton: These organic pantyliners are certified by Control Union. Unbleached & Undyed: No harmful chemicals in the fabrics. Leak Proof & Breathable: Inside coating is made of high quality TPU which allows air to flow through while resisting water. High Quality Snaps: High quality plastic snaps that minimize allergic reaction & are 100% recyclable. "NEW" Non-Slip: Non-Slip silicone backing to minimize shifting!