The TOM Organic menstrual cup is designed with intuitive finger indents and unique internal rib system for easy insertion and removal. Each menstrual cup comes with its own first-of-its-kind microwave steriliser case for discreet, simple sterilisation between periods. Size 1 is recommedned for those under 30 who haven't given birth. The TOM Organic menstrual cup is designed with intuitive finger indents and unique internal rib system for easy insertion and removal. Each menstrual cup comes with its own first-of-its-kind microwave steriliser case for discreet, simple sterilisation between periods. Available in two sizes, this period cup addresses common issues with removal and insertion to compliment any period care routine. Designed and made in Australia with medical grade silicone, The Period Cup is soft on your body and the planet. Size one is recommended for users aged 30 years and under, and mostly for women who have not given birth. As the Size 1 cup is slightly shorter than Si TOM Organic The Period Cup Size 1 - Regular.