Minwax 314950000 PolyShades - Stain & Polyurethane in 1 Step Aerosol, 10.75 ounce, Classic Black, Gloss Enhances wood grain by combining beautiful rich stain color and long-lasting polyurethane protection in one easy step Can be used over polyurethane finishes, so you can change the color of your finished wood, without removing the existing finish Reduces finishing time To learn how PolyShades can help you easily change the color of your stained or polyurethane finished wood, view the PolyShades Color Transformation Guide Stain and polyurethane Classic Black Gloss Stain and polyurethane in 1 step Minwax PolyShades also allows you to easily change the color of your currently stained or varnished wood without stripping This product will reduce finishing time compared with staining with one product and protecting with another Stir PolyShades thoroughly, using a clean stirring stick. Gently repeat the stirring every 10 minutes to assure that the color remains evenly distributed throughout the polyurethane. Using a high-quality, tapered natural bristle brush, dip only  to  of an inch of the bristles into PolyShades. Work quickly as you apply PolyShades the length of each board in smooth, even strokes. Use the tip of your brush to gently smooth out the finish. Always apply PolyShades moving your brush back and forth in the direction of the wood grain. As you return to the board with a freshly dipped brush, start brushing a few inches beyond where you left off, and then carefully blend the new PolyShades back into the PolyShades you previously applied. Doing so will help eliminate &#039;lap marks.&#039;