Single serving portion trays enhance your school serving line by offering a large variety of shapes and sizes to complement your Offer vs. Serve options. Trays stack easily and allow for pre-portioning of fruits, vegetables, salads, and snacks. These versatile trays will help reduce excess inventory by fulfilling many applications in your facility. Suitable for hot and cold foods. Check with your l Degree Celsiusal recycling facility to ensure these containers will be accepted.