Oil stain cleaner for concrete pavers is 1 quart size. The formula works on 25 - 60 square feet depending on the extremity of the stain. Ideal for concrete and clay pavers, concrete flat work and retaining walls. Can also be used on manufactured and natural stone, concrete block, and wet cast products. Works on both horizontal and vertical applications. Not for use on asphalt. To learn more click on the SEK logo below.