Marine 31 Captain&rsquo;s One-Step Compound & Polish Marine 31 Captains One-Step Compound & Polish cuts like a compound and finishes like a polish, replacing the need for a separate compound and polish. Marine 31 Captains One-Step Compound & Polish works especially well on painted hulls where most marine compounds and polishes tend to leave the finish hazy and full of swirl marks. Wipes off like a wax. 32 oz