Cheese puffs, cheese curls, cheese balls, cheesy puffs, corn curls, corn cheese are a puffed corn snack / crisp, coated with a mixture of cheese or cheese-flavored powders. Common brands include Pirate's Booty (U.S.), Cheetos (U.S.), Cheez Doodles (Northeastern U.S., Scandinavia), CheeWees (New Orleans, South Central U.S.), Chizitos (Perú), Boliquesos (Perú), Cheezies (Canada), Twisties (Australia), Kurkure (India), Utz (U.S.) Wotsits (U.K.), Curl (Japan) and Chee.Toz (Iran).

They are manufactured by extruding heated corn dough through a die that forms the particular shape. They may be ball-shaped, curly (“cheese curls”), straight, or irregularly shaped. Some are even shaped as animals or other objects. Some cheese puffs are puffy while others are crunchy. A similar snack, puffcorn is made likewise, but without the cheese flavoring. (source)