Permashield USA specializes in automotive protection solutions, offering a range of products such as Permashield Tire Sealant and Permashield Nitrogen+. Their tire sealants are designed for various industries including cars/trucks, motorcycles, RVs, commercial/industrial, government, and military applications. The Permashield Tire Sealant HD formula provides protection from puncturing objects in extreme conditions and temperatures, ensuring safety and durability for off-road vehicles. The company focuses on enhancing safety, performance, and durability of exposed vehicle surfaces, backed by industry-leading warranties.