Natracare Panty Shields panty liners are soft, absorbent, and breathable and shaped for extraordinary comfort. Made with certified organic cotton and totally chlorine-free, plant cellulose they are plastic free to allow your delicate skin to breathe and stay dry. They can be used daily as a protective liner especially if your underwear is made from modern synthetic material and you want to be sure that you have only organic cotton next to your skin.