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In my opinion, and many others on this site, this is by far the best product for interior parts. It's designed specifically for the items you mentioned and more and it works excellent. Infact, it's the industry leader in auto interior restoration. I will only use it for my interior parts, nothing else. They offer more colors than you can shake a stick at.
I would never recommend spray paint it isn't very flexible when it cures and it will be prone to chipping real easy. Be sure to use a wax and grease remover paying particular attention to edges and any contour because they tend to accumulate the most build up even if you can't see it. Then an adhesion promoter