Potato Crisps are packaged in a small red and white box, with a yellow bubble encouraging the purchaser to "See Moon Map Offer on Back!." They restore Hit Points over a period of time while imparting a small amount of radiation.
They are more commonly found in Eat'o'tronic 3000s, in houses and other living spaces, but can also be found more scarcely in various buildings around the Mojave Wasteland.