The cup can be used throughout the menstrual cycle. Gives protection longer because the menstrual cup may hold more than 3 times the amount of menstrual fluid than normal buffer Cup reusable, it can be easily cleaned with water and once you know how to insert correctly, will not feel no plastic or silicone BPA and phthalates or bleaching agent. Size S Recommended: teens, little menstrual flow, under 30 or who have not given birth.