The Portasol-Patch from Portasol is an instant, multi-purpose repair patch available in two sizes: 3” by 6” and 6” by 9”. It's easy to use, is self-adhesive, and is a long-lasting solution for a wide variety of applications, including automotive repairs from bumpers, radiators, exhaust leaks, fuel tanks and lines, headlights, and more. The Portasol-Patch is a durable fiberglass-reinforced polyester that can be sanded, grinded, drilled, tapped, and painted. It's waterproof, weather-proof, rot, rust, fire and impact-proof, while also being chemical and temperature resistant from -40 to 392 degrees F. The non-toxic patch will work on almost any hard surface and will not shrink or expand during application, or when cured.