If it is an award flight, you get this:
On International Economy Award flights operated by Jetstar, food, beverages, amenity kits (blanket, neck support, eyeshade and socks) and Video On Demand units are not included. These items may be purchased inflight subject to availability. Alternatively, you may pre-purchase and confirm these items by calling Jetstar Telephone Reservations on 13 15 38 at least 24 hours before your flight, and quote your Qantas booking reference number.