Frito Lay 2 Go Munchies Peanut Butter Sandwich Crackers. Made with real peanut butter. Sandwich crackers peanut butter filling. Try all our great flavors. Frito Lay®. Partially produced with genetic engineering. Questions or comments 1-800-352-4477. Weekdays 9 to 4:30 central time. Visit our website @fritolay.com. ©2016 Frito-Lay North America, Inc.