My Father lives in a gated senior citizen community and had is $125 Car Cover stolen. Note it was a real cloth one not one of those paper ones that fell like cloth.
He replaced it with a large plastic tarp like harbor fright sells. Less elegant and not as convenient to use but no one took it.

A Canvas Tarp would be better.

How does the pop and tree sap get cleaned off of a Car Cover?

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84 300D, 82 Volvo 244Gl Diesel