Buy Pringles Original Potato Chips. The first flavour to come in the iconic hyperbolic paraboloid (do a search, it's cool) shape that perfectly stacks into that unique tubular can. This is the one that started it all. 
 
Ingredients: DRIED POTATOES, VEGETABLE OIL, CORN FLOUR, CORN STARCH, RICE FLOUR, MALTODEXTRIN, MONO- AND DIGLYCERIDES, SALT, CITRIC ACID, WHEAT STARCH. CONTAINS WHEAT INGREDIENTS.