service item

noun2

1. •
   Any of the consumer products (food, cosmetics, etc.) handed out or sold on board a passenger aircraft.

   • There are 5,000 in-flight service items on a 747, ranging from aspirins to toothbrushes. — 1995
2. •
   (humorous, euphemistic) Any of the trash or sewage that must be removed from a passenger aircraft.