Freshield: A new complete food storage system. Vacuum packing is a process whereby the air is removed from a bag or container with a vacuum sealer in order to protect the food from the harmful effects of contact with oxygen (oxidation), thereby keeping your food fresher for up to 5 times longer, while storing it naturally. The Freshield vacuum pack machine is an innovative product, designed to provide the consumer with commercial quality food storage at home.Did you know that in a given year the average UK household throws out 13% of the food in the refrigerator and freezer due to spoilage and freezer burn? The Freshield Vacuum Food Storage System can help shrink that number and stretch your food budget. Preventing waste is just the beginning - there are many ways a vacuum packer can save you money.