1. Age less than 25 years old and have not had a natural delivery, recommended to choose a small cup; 2. If you have not used the built-hygiene products, we recommend the use of small cups; 3. If the built-hygiene habits, we recommend using a large cup; For people 1. Apply to mature women of all ages, it can apply to unmarried women, but also can be applied to married women or women in contraception (such as placing the body of the female IUD, etc.), minors asexual messenger with caution; 2. Applicable to all kinds of women are allergic, as well as material for tampons and latex allergic people; 3. especially for the favorite sport of women, during menstruation, you simply do not feel its presence in the tourism or various kinds of sports, it will bring you different from the past experience. Clean the menstrual period menstrual cup with warm water and soap after acts with boiling water or disinfectant disinfection, disinfection recommendations about: Boiling water: a container filled with boiling water for 2-5 minutes. Disinfection: disinfectant Proper and regular maintenance will extend the life of your place with a cotton bag. Size:S:diameter 4cm, L:Diameter 4.5cm Package Include:1 x Menstrual cups