Bring the fiesta home. Guaranteed fresh until printed date or this snack's on us. Questions or comments? Mon - Fri 9:00 am to 4:30 pm CT. Good fun! No artificial flavors. No preservatives. No MSG. Gluten free. Tostitos Cantina on heating up the party. Want to heat things up? Just add our medium restaurant style salsa. Ready to get even hotter? Heat your chips in the oven or microwave for a fresh, hot fiesta. Party with us at Tostitos.com.