Looking for the ultimate in speed and convenience? Turn to Minwax to add rich color and durable protection to bare interior wood in a single step. Minwax PolyShades combines beautiful, oil-based wood stain and polyurethane in one simple step. It provides rich wood color and long-lasting protection while enhancing the wood grain. PolyShades reduces finishing time by eliminating the process of staining with one product and protecting with another.