These silver milk crates look amazing and the paint stays on! Cyndy recommended using Valspar primer and silver metal paint, don't forget to scuff the finish up a little with ultra fine sand paper. Can't want to try it.
Have you ever considered painting plastic but are unsure if the paint will actually adhere to a smooth surface? The good news is that you can paint plastic. Your basic plastic items can be personalized with a fun and unique color.