Can I use the bathroom while wearing the FLEX Cup? The Flex Company November 25, 2019 22:03 Updated Follow Yes! FLEX Cup sits in the vaginal canal, so it's out of the way when you gotta go: Have any other questions? Reach out to us at firstname.lastname@example.org we're always happy to help! Related articles Inserting your FLEX Cup Leakage troubleshooting for your FLEX Cup Is my cup broken? My FLEX Cup smells. What should I do? What is the difference between the FLEX cup and other menstrual cups? Comments 0 comments Article is closed for comments.