Add on to any Flex Capsule to turn it into a larger size. Designed for flexibility, longer trips, more volume. Please note: not compatible with The Original Capsule.
Reviews
4.6
429 ratings
5
4
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1
Options
Wasn’t sure what size I needed, and the extender allows flexibility.
E
Emily · May 19, 2026
Love the extender
I was unable to fit enough shampoo and conditioner for my two week European trips in the original size cadence. By adding the extender it holds a perfect Amount thank you for thinking of that!
M
Margaret · February 6, 2026
The extender
works great!. added a color to the sand color, making my own visual. . . . shampoo and condiation I always mixed up until I got these for a Christmas gift. . . . . This just adds more visual.
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