It is best if used within 1 day, but can be stored in the fridge for up to 3 or 4 days if you stabilize it. It will start to deflate over time. You can also store it in a container in the freezer for up to 3 months. These toppings are made with heavy cream, so make sure you keep them in the fridge so they won't spoil. Try storing your whipped cream in a glass jar or a covered bowl at the back of the fridge to maintain freshness.