non-breakable       
adjective (also nonbreakable) uk/ˌnɒnˈbreɪ.kə.bəl/ us/ˌnɑːnˈbreɪ.kə.bəl/
 不易损坏的
impossible to break
  The drink comes in a non-breakable container. 这种饮料装在不易碎的容器中。 
 Where can I buy nonbreakable lids for these pans?
  - More examples
 - When I travel, I put my skincare cream into a non-breakable plastic bottle.
 - The pans have an attractive black finish, with wide handles and non-breakable covers.
 - The tool keeps your fingers clean and is also nonbreakable.
 - Remember to pack some non-breakable cups or glasses.
 - The windows on the upper floor are made of a nonbreakable material.