For the hygiene of the woman during the monthly period. BPA-free menstrual cup made from certified medical silicone. Does not contain latex, BPA or flafates. Very easy to use, ecological & sustainable. Also ideal for practicing all kinds of sports, while traveling and very physical physical activities. The LadyCup does not cause irritations, fungi or cystitis and is also very suitable for use at night. Size S is for under 25 years and if you have light menstruation and / or vaginal birth.