Ruffles have ridges. Guaranteed fresh until printed date. Made with real cheddar! Guaranteed fresh until printed date or this snack's on us. Questions or comments? 1-800-352-4477 weekdays 9:00am to 4:30 pm/chat at fritolay.com. Good fun! There's more where this came from. Visit our website at fritolay.com. Facebook: Find us on: facebook.com/ruffles.