Guaranteed fresh until printed date. Questions or comments? 1-800-352-4477. Guaranteed fresh until printed date or this snack's on us. Mon-Fri 9:00 am to 4:30 pm CT/email or chat at fritolay.com. Good fun! It all starts with farm-grown potatoes - cooked and seasoned to perfection. Then we add the tang of sour cream and mild onions. So every Lay's potato chip is perfectly crispy and delicious. Happiness in every bite. Connect with us: facebook. Twitter. No artificial flavors. No preservatives. Partially produced with genetic engineering.