The manufacturers of Peaches with SO2 have stated that the packaging is free from plastic.
These make a chewy snack just as they are.
Peaches contain potassium and Vitamins C and A. They have diuretic and laxative properties, aid in the stimulation of digestive juices, and add colour to the complexion.
SO2 is a preservative, preventing the peaches from oxidising and so retaining nutrition and colour.