Frangible is an adjective that means easily broken. 

The Latin word frangere (fran JARE ay) means ‘to break.’ The addition of the suffix I-B-L-E gets us to a word to describe something that can be broken. The word fragile is a synonym that also shares this origin. 

I warned the moving guys that some of the items in the boxes were frangible, but that didn’t seem to matter. They just tossed those boxes around without regard for how brittle the contents were.