Sironas Menstrual Cup is for those who care for own health (cups dont absorb anything / therefore does not dry out or disrupt your natural pH) & the environment (disposal of sanitary products creates toxic waste). Cups are made of high quality silicone that is widely applied in medical care products such as infant nipples, catheters etc (since it is toxic free, odor free & allergy free) and retains 15ml+ of menstrual blood and is worn internally, like a tampon. With Sironas Menstrual Cup you would always be prepared to take on your periods! Thanks to its design, it is an ideal menstrual aid for all kinds of sports, travelling or common daily use! Sironas Menstrual Cup is for those who care for own health (cups dont absorb anything / therefore does not dry out or disrupt your natural pH) & the environment (disposal of sanitary products creates toxic waste). WASH- Wash your hands & cup well with warm water. FOLD & HOLD- Press the sides of the cup together, then fold it in half again.