You would not want to know what the covering of sausages is made of!
How to Bake Sausage Links
Are sausages with plastic casing obvious? : r/NoStupidQuestions
Sausage Golden Plastic Wrapper Close Isolated Stock Photo 1795295887 | Shutterstock
Took some sausages out of the packaging from the freezer and fried them, turns out the sausages individually also had plastic wrappers on em. I only realized after I took a bite :
Homemade Vegetarian Sausages - Tales From The Kitchen Shed
Snack Sausage with plastic wrapping Stock Photo - Alamy
When and How To Remove Sausage Casings
Is Cooking Sausage In Plastic Wrapper Advisable? | Britout