Vegan, totally silicone free and made with the most comfortable, highest-quality medical-grade safe material available, tampon tribe’s menstrual cup has been designed to be the most effective available. Endorsed by mds and leading researchers, our cup will have you wondering why you didn’t make the switch earlier! Medical-grade TPE actually warms in the body, ensuring the perfect fit. Patented leak-free technology is perfect for active users. Which size should i use? M - Medium: For those younger than 25 who have not given birth vaginally. More details: Silicone free. Latex free. Bpa free. Phthalates free. Hypoallergenic. Socially conscious. Convenient and effective. Super comfortable. Up to 12 hours of protection. Reusable and recyclable. Rounded edges for ease-of-use. Patented leak reduction. Easy grip handle.