an indoor outdoor spray paint that adheres to plastic.
I let it dry for an hour or so and got straight to drawing with a regular Sharpie permanent marker.
I have a bit more drawing to call it finished and then I will cover it with a clear gloss spray made for plastic also indoor outdoor use. I'm not certain how this will work here - my concern is that the clear gloss won't protect the paint from sticking and peeling off when the chairs get stacked for storage. I will cure them in the house for the recommended time and then put outside to see how it weathers. In order to test the durability of the spray gloss I think I will need to make another painted chair and see how they react to being stored stacked.
If anyone has experience with a similar project I'd love to hear from you!