Sirona's Menstrual Cup is the most modern economical and leak-free way of experiencing complete period comfort. It is a reusable silicone cup that collects rather than absorbing your menstrual flow and is worn internally. It is ideal for those who care for their own health (cups don't disrupt your natural pH) and (disposal of sanitary products create toxic waste). Cups are made of high-quality medical-grade silicone that is widely applied in products such as infant nipples catheters etc (it is toxin free odourless and hypoallergenic). Thanks to its design it is an ideal menstrual aid for swimming all other kinds of sports travelling and common daily chores! With Sirona's Menstrual Cup you would always be prepared to take on your periods! Take control of your intimate & menstrual hygiene with Sirona Menstrual Cup Sterilizer. It kills up to 99% germs and bacteria in just 3 minutes; leaving your menstrual cup perfectly disinfected and ready to be stored till the next cycle. HOW TO USE Step 1: Pour 5 ml. water in the water holding area of the sterilizer. (Use the cover as a measuring cup) Step 2: Place your menstrual cup (upside down) over the water holding area and put on the cover. Step 3: Plug-in the sterilizer and push the power button for turning it on. (Check the indicator light). Step 4: It will steam sterilize for 2-3 minutes post which power will cut-off automatically. Step 5: Open the cover when it's cooled down.