CLEAN - Fill the container with water, insert your menstrual cup, and shake. It's a quick and easy way to wash your cup in a pinch. Use is in a public restoom, while camping, at the office or even at home. STERILIZE - Fill container with water, boil water in microwave for 2-3 minutes, remove from microwave and insert your menstrual cup/disc and seal lid. Leave cup or disc in sealed container for 5 minutes to finis the sterilizing process. Generous size and compatible with any brand such as Pixie Cup, Lumma Menstrual Discs, Diva Cup, Saalt Cup, Saalt Disc, Lena Cup, Blossom Cup and most silicone menstrual cups, discs, and even kegel weights. COMPACT - foldable design makes it easy to tuck into your back pocket, purse or backpack so you always have it with you. Your happiness is important to us. If you are not 100% happy we will do everything possible to make it right. Yes, it really is that easy! So, what are you waiting for? Give Moonthlies a try today!