No, the plastic film on Slim Jim's is not supposed to be peeled off before eating them. The brown layer that covers Slim Jim's is actually made from collagen and is completely edible [1].
Here's what you need to know about the casing on Slim Jim's:
Edible Casing: The casing on Slim Jim's is made from collagen, which is a protein derived from animal connective tissue. It is safe to consume and is meant to be eaten along with the meat stick [2].
Purpose of Casing: The collagen casing serves multiple purposes. It helps preserve the meat and maintain its shape. It also provides a firm bite and snap, which many people enjoy in a good sausage or meat stick [2].
Consistency: The casing ensures that Slim Jim's have a uniform shape and size, resulting in consistently sized meat sticks [2].
Packaging Information: The actual Slim Jim packaging does not mention the need to peel off the casing before eating. It does not even mention that Slim Jim's contain casing [2].
In summary, the plastic film on Slim Jim's is not plastic but an edible collagen casing. It is safe to consume and is meant to be eaten along with the meat stick. So, there is no need to peel it off before enjoying your Slim Jim.
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