Carefree® Ultra Thin Panty Liners give you daily comfort so you feel cleaner and fresher ever day Airflo fabric back sheet allows air to circulate so that your skin can breathe Soft Cover designed for dryness and comfort Dermatologically tested against allergy and irritation For maximum daily freshness, change liner twice a day Carefree Ultra Thin Unscented 40 Liners & 20 Liners.