Custom Set of 2 2 COLORED Boat Registration Number Lettering Vinyl Decal Sticker 3H x 20W txdecaldesigns 45 out of 5 stars 825 1999 FREE. In other words whether you get lettering or a graphic you dont need to worry about the aesthetics of these products. Pontoon boats will have decal affixed to top of left pontoon behind fuel tank.