SK8 Cleaning kit, Small spray bottle,Simple Green orange, two reusable cleaning towels and a reusable 3M scotch bright. Spray Simple green on the wet purple towel. If the stuff will not come off. Use the 3M Scotch bright and spray the Simple green on it and try with some more force. To get it clean rinse with light amount of water or the other wet towel till clean. Work well with trucks, riser pad’s and more.