303 Graphene Nano Spray Coating is a Graphene Oxide based spray coating. It will provide a high level of protection for 12 months. Besides the great protection there are many other benefits of the product! These include reducing the surface temperature, which will reduce the amount of hard water spots you get on your car’s paint. It also features a high water contact angle, producing substantial hydrophobic properties, that keep the water from sticking to your paint.