We have a lot of customers with heavy periods who have great success using FLEX! FLEX can hold the equivalent of 3 super tampons and we have plenty of tips and tricks to ensure FLEX doesn’t leak no matter how heavy your flow is.
That said, every woman is different. If you’re trying FLEX for the first time and concerned about it getting too full, we recommend trying FLEX on a lighter day while in the comfort of your own home so you can get a sense of how much is in it after 12 hours. From there, you can adjust how frequently you need to change it based on your own flow. We also suggest wearing a pad or liner during your first cycle with FLEX should you have any issues with insertion. You can also always reach out to us at firstname.lastname@example.org for additional help.
Keep in my that with FLEX there is a learning curve, and practice makes perfect. We have a new starter kit in which you can customize based on your flow. We have one specifically designed for those with heavy flows. You can check that out here.