Military MRE Tray Pack, Blueberry Pastry, Ready to Eat2024 Production Dates MRE Tray Packs are used by the US military for field kitchen applications when feeding large groups of combat and support soldiers. They are packed in large, shelf stable, flexible and sturdy poly trays. This tray contains 37 oz of Blueberry Pastries and includes 18 portions. MRE tray packs are ideally suited to feeding larger groups and families. Each tray measures 10" x 12 1 2" x 2". The trays are built to be stacked, making