1 pack of 30 plugs X-tra Seal tire repair materials are specifically designed and formulated to repair, in accordance with industry standard (RMA) guidelines, innertubes and the wide variety of tires in service today. Our products are made of the highest quality materials and are designed for professional use. In house and independent testing consistently confirms X-tra Seal tire repair materials are superior to competitive products; years of real world experience and hundreds of millions of successful repair applications show customers would agree. X-tra Seal Tire Repair and Supplies - Keeping You On The Road.