3 ms·So then they are NOT exceptionally durable? If you must baby them and can’t use them in your car..by Gud 11mo agoSo then they are NOT exceptionally durable? If you must baby them and can’t use them in your car..IAmBroom 11mo agoThey're almost as durable as lead crystal glass.tmountain 11mo agoLong term archival of just about anything is a challenge. My original point was that they ca serve this use case.