Ruffles Brand Cheddar & Sour Cream Flavored Potato Chips. Ruffles have Ridges. Made with real cheddar! 0 grams trans fat. Guaranteed fresh until printed date or this snack's on us. Questions or comments Weekdays 9:00 A.M to 4:30 P.M central time 1-800-352-4477. Where we live! 2003 Frito-Lay North America, Inc. Visit our website @ fritolay.com. Frito Lay. Good fun! Made with all natural oil. We grow the best snacks on Earth.