Colorbond is a OEM approved leather and vinyl dye in a spray can. It comes in many OEM colors. This would be applied in a manner similar to any other vinyl or fabric paint. Clean the leather with Isopropyl alcohol and let dry. Hold the spray can about 12 inches away from the leather and mist an application. Repeat every 10 minutes till you get full coverage. It's a really simple product to use. It also smells really bad so wear a mask and don't try this in your house. It would be best to use in a ventilated area. Results look good and Colorbond claims at least 4 years of life. If you need to fix leather seats, this is probably the easiest most consistent way to do it.