also: しょくひんトレイ
noun
food tray; styrofoam tray
Refers to the shallow trays, often made of styrofoam, used to package fresh food such as meat, fish, or prepared dishes in supermarkets.
スーパーで肉が入った食品トレーを買った。
I bought a food tray with meat at the supermarket.
食品トレーはリサイクルに出してください。
Please put the food trays out for recycling.