Hola

The English is worth quoting in full:

"Once been used, close by the dotted line and auto-stick on the adhesive paper after having removed the protective paper. Open the bottom fold to get a bag with a higher stability and better form."

Hongkong Airlines

"This bag may be used for waste or airsickness". Nice to know that there are alternative uses for these bags apart from collecting them.

Horizon Air

Depressingly plain: the design has disappeared in a whiteout.

Horizon Air (seat occupied)

No need to give your seat preference to the check-in desk at Horizon. Just sneak onto the plane and put this bag on the seat of your choice.

Horizon Air (no tabs)

Horizon have replaced the messy horizontal wire tie with a sticker.