Korean Air

Pointy-bottom bag, so it won't stand upright. Perhaps because of this, there are two tabs on the back to prevent spillage, instead of the usual one. The text in Korean and English enjoins users to "Call attendants for disposal". Seems it takes more than one person to carry one of these bags away.

Korean Air (blue)

Looks like the inverse of the bag above, but with warning chevrons along the tear-off strip at the top.

Korean Air (instructions on back)

You have to call "attendants" (plural) to dispose of this bag.

Korean Air (light blue)

These Korean Air bags all seem to have two heavy-duty wire closure tabs to ensure your semi-digested expellate does not ruin the plane's interior decor.

Korean Air Lines

Older bag that still required you to call more than one person to dispose of your bag. Evidence of strict union rules aboard?

Korean Airways: see Chosonminghang