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 9:00am to 4:30pm CT/email or chat at fritolay.com. Partially produced with genetic engineering. Good fun! It all starts with farm-grown potatoes - cooked and seasoned to perfection. Then we add just the right balance of tangy vinegar. 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.