We offer two sizes and for most people, either size will work. It really comes down to choosing the best fit for your comfort and capacity needs (how heavy your flow is).
Choosing the right cup can be a little tricky, but don't worry, we've got you covered with our Perfect Fit Guarantee. We'll switch out your cup for another size if it doesn’t work for you!
Typically, how many days is your period?
How heavy is your flow on your heaviest days?
When did your last period start?
How many weeks do you typically have between periods?
What period product do you use most frequently?
How disruptive can your period be to your life?
What bothers you most about having your period?
What is the one thing you wish you could change about your period?
What email would you like your results sent to?
By clicking "See My Results" you agree to
receive email from The Flex Company.
We will automatically ship 8 discs for $12.99 every 2 months starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.
We will automatically ship 16 discs for $21.99 every 1 month starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.
We will automatically ship 24 discs for $26.99 every 1 month starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.
Try FLEX with some liners at first.
Sometimes you just feel better with a little backup. FLEX plus liners would be a great combination for you while you transition to FLEX to help guard against leaks until you get the hang of positioning FLEX.Not ready for membership? Try just one FLEX.
Here is our pick for you
FLEX Cup$32.99 71+ Reviews
1 Menstrual Cup
- + 1 Carrying Pouch
- + 2 free Menstrual Discs
The FLEX Cup comes with 2 free FLEX Discs for you to try so that you can experience two new and innovative period products for no extra charge.
Free US Shipping