Product Details: Update your semi truck with ready-to-go tires, with the X-tra Seal Chemical Vulcanizing Tire Repair Cement that ensures you're Ready for the Road Ahead™. To seal punctures or small holes in a tire, this replacement compound acts like a cement glue that offers a similar surface to a tire once dry. Fashioned with versatile component to be suitable for large reinforced patches, coat patches, and inner liners. FleetPride is your First Click in Heavy Duty®.