folding; collapsible; refers to items or mechanisms that can be folded (e.g., folding umbrella, folding chair)
折りたたみ傘はバッグに入れておくと便利だ。
A folding umbrella is convenient to keep in your bag.
キャンプには軽い折りたたみ椅子を持って行った。
I took a lightweight folding chair to the campsite.
このカメラは折りたたみ式なので収納しやすい。
This camera is folding-type, so it's easy to store.