"Velveeta is classified by the United States Food and Drug Administration as pasteurized process cheese spread (see processed cheese). Velveeta does not need to be refrigerated until it is opened."
[edit] Ingredients
milk
water
milkfat
whey
whey protein concentrate
sodium phosphate
milk protein concentrate
alginate
sodium citrate
apocarotenal (color)
annatto (color)
enzymes
benzoate
cheese culture
More on Processed Cheese: "Processed cheese (or process cheese) is a food product made from regular cheese and other unfermented dairy ingredients, plus emulsifiers, extra salt, and food colorings. Many flavors, colors, and textures of processed cheese exis"