for use with food. Follow manufacturers' instructions Household cling film in the microwave don't let it touch the food during microwave cooking as it melts at a low temperature leave a corner of the dish uncovered to allow the steam to escape. This reduces the risk of the film being blown off and settling on to the food Meat in trays and commercial wrap meat can be safely frozen in the tray and wrap, but thaw at a cool temperature. Migration of DEHA increases with heating in contact with a fatty food. Re-using plastic containers re-use plastic containers that are food compatible, in the way the original food was presented. For example, you can freeze food in ice-cream containers but don't heat them in the microwave -- they were designed for use on cold food some types of plastics are not microwave proof as they melt at moderate temperatures eg, margarine containers. Canned food avoid food or drink from dented food cans. Supermarket checkout bags don't heat food in supermarket checkout bags use the bags right-side-in so that food does not contact printing ink standard types of supermarket checkout bags can be used in the fridge or freezer.