PRESTA 1 Gallon Easy Coat Tire Dressing - Tire Dressing The PRESTA Easy Coat Tire Dressing, part number PST-134401, is a water-based, silicone-free formula that enhances the appearance of tires and exterior plastic surfaces. This product delivers a quality, ready-to-use solution that is safe for use in body shops due to its silicone-free composition.