BIG jobs require BIG quantities.Tread Glo is a premium liquid tire and exterior trim dressing that is formulated to act as a preservative so that it can prevent oxidation and restore flexibility. Tread Glo can be used on tires, rubber, vinyl, engine bays, and all exterior plastics leaving an amazing shine. Tread Glo can be applied to achieve a long-lasting new tire look, or super wet shine depending on what you desire. Did we mention it has a yummy cherry smell? This product is great for refills on your 16 or 32 oz. bottles and most importantly will save you money.