Die Tüte soll man nach Sonnenuntergang an einen bestimmten Platz packen, dann passieren bestimmt satanische Dinge.
@_holger i thought it was a translation error - but chinese and english text matches ...
sister-in-law to the rescue: "that's a gyeongii garbage bag. you can buy it at the supermarket and use it to carry home your groceries, but it is also the only thing you are allowed to use for garbage disposal. if you live in an appartment with garbage bins, you can chuck them at any time. but in normal residential areas, they're supposed to just be put on the curb - and that is only allowed after sunset"