Mothers PowerBall 4Lights Headlight Restoration Kit for $13.52 shipped after selecting Subscribe & Save to take an additional 5% off. Here is a screenshot for your reference. You can cancel S&S easily with no obligations after your order ships. This kit helps to remove yellowing and stains and includes polishing tool, 8 ounce polish, 2 restoration pads and a 15 inch x 15 inch microfiber towel. Most places have it for about $21.