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

The Fornix by Flex®

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The Flex Company - WTF is a vaginal fornix!? Click to read our latest post on The Fixx for all the details. -hell-is-the-vaginal-fornix (T-shirts by mrsoriginals)

Introducing Flex Reusable Disc, The Fornix

PSA: an anatomy lesson from a lady doctor : r/bigdickproblems

Vaginal fornix - Location, Types, Function and Pictures

Menstrual Disc Brands Resources and Comparisons - Period Nirvana

is a disposable menstrual disc that provides 12-hour comfort and leak protection for every type of flow.Say goodbye to cramping, odor, or

Flex Disc

How FLEX Works The Flex Company – The Flex Company (UK)

How FLEX Works The Flex Company – The Flex Company (UK)

Flex Menstrual Discs : Target