sick bag 
noun
A paper bag provided in an aircraft or ship as a receptacle for vomit.The journey home was spent clutching a three-ply sick bag....
- Out of 74 aircraft, 65 have seat-back pockets, all of which have a sick bag placed in them for every flight.
- Once you've checked in at reception, where they might feasibly offer you a sick bag, a litre of water and some Alka-Seltzer along with your room key, you could sleep off 14 pints without having to stumble onto a night bus first.