String cheese is good for 1-2 weeks past its sell-by date when refrigerated.

String cheese, a popular snack made from mozzarella cheese, typically stays fresh for about one to two weeks after the sell-by date when stored properly in the refrigerator. The shelf life can vary depending on the packaging, storage conditions, and whether the cheese has been opened or remains sealed.

Storage methods and shelf life

• Unopened string cheese: Up to 2 weeks past sell-by date
• Opened string cheese: 1 week when properly wrapped
• Room temperature: No more than 4 hours
• Freezer: Up to 2 months (texture may change)

Storage method comparison table

Signs of spoilage

Check for mold growth, unusual odors, slimy texture, or discoloration. If any of these signs are present, discard the cheese immediately. When in doubt, throw it out to avoid potential foodborne illness.