We want your Muck Boots to be at their best. Prolong the lifespan of natural rubber boots with the Rubber Boot Care Spray. Specially formulated to nourish and restore the natural shine to rubber wellies. Heat, methods of storage and prolonged wear can cause surface blooming residue that occurs in high-quality natural rubber. This spray is highly effective at removing such residue. Ensure to clean off mud and excess debris from your boots with cold soapy water before applying the spray and buff to ensure your boots keep their signature suppleness.