foldable
1 of 2adjective
fold·able ˈfōl-də-bəl 
: capable of being folded (as for storage) : folding
a foldable chair
… as he wanders the country and the globe with just the clothes on his back, his expired passport, a debit card and a foldable toothbrush.
David Hendricks
David Hendricksfoldable
2 of 2noun
plural foldables
: something that can be folded
Vertical rows of shelves hold all the foldables like sweaters and polo shirts. House Beautiful
House Beautiful especially : a device (such as a tablet computer or smartphone) that can be folded for storage
Foldables are increasingly becoming a normal part of the tech community. Just look at the handful of foldable smartphones around, so don't expect this trend to fizzle out anytime soon. Spy
Spy 
Word History
Etymology
Adjective
fold entry 1 + -able
Noun
derivative of foldable entry 1
First Known Use
Adjective
1648, in the meaning defined above
Noun
1904, in the meaning defined above