Crunchy cheese curls, nacho tortilla chips, pretzel sticks and midgee, bar-b-q corn chips, corn chips. Snacks to Enjoy: Nibble, Munch, Savor & Crunch! When we say we were The Original we mean we were the first snack food producer to create this unique mix of the freshest snacks the world knows as party mix. When Bill and Joe first produced this snack, they had no idea they just created an entire new snack category. Keystone buys the finest corn produced in America from farmers who are committed to producing the highest quality corn. Tradition of quality since 1946, the Keystone employees and the Corriere family have taken pride in producing the finest quality snack foods for you and your family. Consistent quality you can depend on day after day and year after year. There is no substitute for quality. Enjoy! Make every day a party day! Keep a fresh bag of Keystone Party Mix on hand to satisfy that urge for a casual snack or for a spur-of-the-moment party. The Keystone Party Mix is always a Party Pleaser.