Corn Hole Boards Protective Covering Over Decal And Painted Surface-Corn Hold Games?

Protective covering over decal and painted surface-Corn hold games? - corn hole boards

I have two holes of different maize. The one I lead based paint with oil red and blue. Latex paint is another scarlet and gray. I have stickers for installation on the games. What is the protection product should be used to cover the playing field clear (sticker) on? If you are for a layer or two products protecitve before the sticker, then a layer or two (or three) proticeive product thumbnail?