Lay's Brand® Sour Cream & Onion Flavored Potato Chips. 0grams trans fat. Guaranteed fresh until printed date. No Msg. No preservatives. Made with all natural ingredients. No artificial flavors. Questions or comments 1-800-352-4477 weekdays 9:00am to 4:30pm central time. Guaranteed fresh until printed date or this snack's on us. ©2010 Frito-Lay, North America, Inc. Good fun! Frito Lay®. Naturally delicious. It all starts with farm-grown potatoes cooked in all natural oil with a dash. Then we add the tang of all natural sour cream and mild onions. So every Lay's® potato chip is perfectly crispy and delicious. Happiness in Every Bite™. Find us on: facebook.com/lays. No artificial flavors. No preservatives. No MSG. 0g trans fat. Made with all natural potatoes and seasonings.