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


Discard it after the expiration date.
Get a yes / no answer for your chips bag →
Pantry
60-75°F (15-24°C)
Sealed in original packaging or airtight container
7 days
Stale smell, soggy texture, mold growth
Crush to make breadcrumbs or toppings, use in casseroles or salads
Over time, the chips in an opened bag can become stale, lose their crunchiness, and absorb moisture from the air, leading to a change in taste and texture. While the chips may still be safe to eat after the expiration date, their quality diminishes over time.
To determine if opened chips have gone bad, check for signs of mold, discoloration, or a rancid smell. Additionally, stale or soft chips may indicate that they are no longer fresh. Always trust your senses when assessing the quality of opened chips.
Eating chips from an opened bag can pose risks of contamination by bacteria such as Salmonella and Listeria. To prevent foodborne illnesses, always wash your hands before consuming, avoid double-dipping, and store the chips in an airtight container.
To keep chips from going stale, store them in a resealable bag or airtight container with a desiccant packet to absorb excess moisture. Adding a piece of bread to the container can help maintain crispiness by absorbing moisture.
Chips have a fascinating history, with the first potato chip believed to have been created in 1853 by chef George Crum. These crispy snacks have become a popular part of various cuisines worldwide, with unique flavors and variations reflecting different cultures.
Chips Opened Bag is best consumed within 7 days of opening to maintain freshness and quality. After this period, the chips may become stale or rancid, posing a risk to your health. It's advisable to follow the recommended shelf life for optimal safety and taste.
If Chips Opened Bag has been left at room temperature for an extended period, it's important to assess its condition before consuming. While chips are generally dry and less prone to rapid spoilage, prolonged exposure to heat and humidity can affect their taste and texture. Inspect for any signs of moisture, off odors, or mold growth before deciding to eat them.
The type of container used for storing Chips Opened Bag can impact its shelf life. Opt for airtight containers or resealable bags to maintain freshness and prevent moisture absorption. Avoid exposing the chips to air and humidity, as this can accelerate staleness. Additionally, clear containers should be stored in a dark place to protect the chips from light exposure, which can cause off-flavors.
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.