The Flex Extender instantly adds 1.43 oz to any Flex Capsule so you are prepared for any length trip. Simply add to transform your Flex Medium into a Flex Large. When you’re reaching the last bits of your product, unscrew the Extender for easy access to every last drop.

*Pro tip: The Extender is completely closed when the fl oz on each piece line up (after about 2.5 rotations).