Over 4 months supply (Based on average U.S. consumer usage). age US Consumer usage). All-in-one. Multi-fluid absorption. Absorbs 30% more (when compared to Stayfree Ultra Thins of the same absorbency). Stayfree maxi; regular; super long; classic; overnight. Comfortably dry for up to 8 hours. 18 anti-leak channels help block leaks front to back, side to side.