Candy floss -- also called spun sugar or fairy floss -- is readily available at fairs and carnivals. Bring home an extra bag of candy floss and preserve it for eating later. The structure of candy floss and its shelf life depends on the storage temperature and humidity level. Any moisture from the air will cause the candy floss to clump into a tight ball, but even in humid summer conditions, you can indefinitely keep your candy floss fresh.
Transfer the candy floss to a resealable freezer bag.
Gently press out excess air from around the sides of the candy floss without squashing it. Seal the bag.
Put the sealed bag into an airtight container and seal. This double barrier keeps out air and moisture to ensure the freshness of the candy floss.
Freeze the candy floss indefinitely, or store it in a cool, dark place for up to two months.
Eat the frozen candy floss immediately after removing it from the freezer and discard any left-overs. The exposure to the warm temperatures and humidity upon removal from the freezer will cause the candy floss to shrink and clump.
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