Looking for a telescoping, air bladder that can reliably expand vertically but be restrained horizontally

Looking for a telescoping, air bladder that can reliably expand vertically but be restrained horizontally

Howdy all! I have been searching for a few hours now to locate a part that my boss swears he has seen before. The part is a telescoping air bladder that can be used to lift a small load (under 3lbs). I've come across numerous 2 stage telescoping pneumatic cylinders and plenty of air bladder bellows for lifting cars, but nothing for a relatively small scale. In addition, this air bladder has to be able to expand from about 7x it's resting/retracted size. The closest I have found is this telescoping pneumatic cylinder from ERGO-Help Pneumatics which can retract much shorter than most 2 stage pneumatic cylinders. I wanted to see if anybody has come across something like this in their work! Thanks so much for any help you can give!

https://preview.redd.it/yw15fgvbp0x41.jpg?width=183&format=pjpg&auto=webp&s=fef9b63d07c97e8aaa800432a9d14bdbf11aefc5

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