Doritos® Brand Nacho Cheese Flavored Party Size! Tortilla Chips. Produced with genetic engineering. FritoLay®. Snack boldly. Also try the intense flavors of: Doritos, jacked, jalapeno pepperjack. Doritos, dinamita, Chile lemon. Guaranteed fresh until printed date or this snack's on us. Questions or comments 1-800-352-4477 Mon-Fri 9:00am to 4:30pm CT. Email or chat at fritolay.com. Please retain product and package. ©2013 Frito-Lay North America, Inc.