... sizes 3.no smell and keep food fresh Rectangular Aluminium Foil Catering TrayAluminium foil tray is widely used ... airline, hotel, restaurant, bakery, supermarket and so on. Aluminium food tray detailed features:1. Materials: Aluminum Foil, glossy, ... . Cookability, Freezability, Microwaveability No other packaging material can match aluminium's ability. - to conduct conventional heat. - to withstand ...