It's called the vaginal fornix. And - The Flex Company

Flex Cup Starter Kit (Full Fit - Size 02), Reusable Menstrual Cup + 2 Free Menstrual Discs, Pull-Tab for Easy Removal, Tampon + Pad Alternative

Creating period products for every body, The Fornix

Creating period products for every body, The Fornix

What is the vaginal fornix?, The Fornix

The Fornix by Flex®

Flex Ed: Reproductive Health

I am so confused by this photo from the flex disc blog. The cup is supposed to be above the pubic bone too? Is it not? Im tired of seeing all these

Flex Ed: Reproductive Health

Try something different, It's called a vaginal fornix. And yes, it's that big., By The Flex Company

What is the vaginal fornix?, The Fornix