How Are Claussen Pickles Made
Here's what the folks at Claussen say, "Pickles typically come in two varieties: refrigerated and non-refrigerated. Claussen pickles are always made fresh; therefore, they must always be refrigerated. In fact, Claussen is made all year round, by harvesting cucumbers wherever they are in season. Claussen is never cooked and always kept cold, so every bite brings a crisp crunch. Claussen offers a bold, sensory experience through its intense pickle flavor, crunch, cold freshness, and cucumber appearance."
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I do refrigerate mine after opening them.
They are not sealed in a jar.