USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage conditions, initial freshness, and proper handling change the answer — and those details are easy to miss.
Last reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk


This food is often safe when handled and stored properly, but safety depends on how it's been kept and whether any spoilage signs are present.
⏱️ Safe for up to 60 days after expiry if properly stored and showing no spoilage signs.
Get a yes / no answer for your potato chips →
Pantry
Room temperature
Keep in original bag tightly sealed
180 days
Stale texture, rancid smell
Use as breading for fried foods
Pretzels, popcorn
The expiration date on a bag of potato chips indicates the date until which the chips are expected to remain fresh and safe to consume. After this date, the quality of the chips may deteriorate, leading to changes in texture, taste, and color. However, potato chips are often safe to eat past the expiration date as long as they are stored properly and show no signs of spoilage. The 'best quality' date refers to the timeframe during which the chips are expected to taste their best in terms of flavor and texture.
To check if potato chips have gone bad, look for signs of discoloration, mold, or a rancid smell. Fresh potato chips should have a crispy texture and a pleasant aroma. If the chips appear dull, have a strange odor, or feel soft and soggy, it's best to discard them to avoid potential foodborne illness.
Potato chips are generally considered a low-risk food for causing foodborne illnesses due to their low water activity and high salt content, which inhibit bacterial growth. However, there is a risk of contamination if the chips come into contact with dirty hands, surfaces, or utensils. Cross-contamination with raw food items should be avoided. It is essential to store potato chips in a clean, dry, and airtight container to maintain their quality and prevent contamination.
To keep potato chips fresh and crispy for longer, store them in a cool, dry place away from direct sunlight and heat sources. Avoid storing them in humid environments, as moisture can cause the chips to become soggy. After opening a bag of potato chips, reseal it tightly or transfer the chips to an airtight container to prevent exposure to air and maintain crispness. Adding a small piece of bread to the container can help absorb excess moisture and keep the chips crunchy.
Potato chips were invented in 1853 by George Crum, a chef in Saratoga Springs, New York, in response to a customer's complaint about thick, soggy fried potatoes. The thin, crispy chips became an instant hit and gained popularity worldwide. In the United States, potato chips are a staple snack at gatherings, picnics, and parties. They are also commonly served with sandwiches and burgers. Different cultures have their own variations of potato chips, such as salt and vinegar chips in the UK and seaweed-flavored chips in Japan.
If Potato Chips have been exposed to high temperatures in a hot car for a few hours, it's best to discard them. Heat can accelerate the breakdown of oils in the chips, leading to rancidity and potential safety risks. To ensure food safety, avoid consuming snacks that have been subjected to extreme heat.
Once opened, a bag of Potato Chips can typically be consumed within 1-2 weeks for the best quality. To maintain freshness and crispness, reseal the bag tightly after each use and store it in a cool, dry place. Consider transferring the chips to an airtight container to extend their shelf life further.
The type of packaging can impact the shelf life of Potato Chips. Chips stored in resealable airtight bags tend to retain freshness longer compared to chips in traditional chip bags. Airtight containers can also help preserve the crunchiness of the chips by minimizing exposure to air and moisture.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.