You should sterilize your menstrual cup every cycle. Use the Bamboozy menstrual cup sterilizer to keep your menstrual cup clean and safe for you. ✔ Food grade silicone ✔ Foldable, easy to carry with you ✔ Free of BPA, chemicals, and plastics ✔ Includes brush ✔ Suitable for all sizes of menstrual cups Should I sterilize my menstrual cup after use? You should sterilize your menstrual cup at least before you start your menstrual cycle. You do not need to sterilize your cup after each use, you may, depending on your preference. How do I use the menstrual cup sterilizer? Step 1: Remove the lid from the sterilizer Step 2: Unfold the sterilizer Step 3: Add water to the first fold Step 4: Place your menstrual cup stem side up in the sterilizer Step 5: Heat your microwave at 1000W for 1 minute Step 6: Always let your menstrual cup cool to room temperature for one minute before use Step 7: Always wash your hands when inserting your menstrual cup In the package - Menstrual Cup Sterilizer How does this product make less impact on the environment?