Something that is (easily) breakable.
A set of customized hardware that is part of a drum kit. Breakables typically consist of: the drummer's cymbals including high-hats, the snare drum, the kick pedal and the drummer's stool.
Fragile.
Able to break or be broken.
Having the ability to absorb energy when deformed.
Having the ability to recover from mental illness, trauma, etc.; having resilience.
Returning quickly to original shape after force is applied; elastic.
Returning quickly to normal after damaging events or conditions.